Home / 171,343,603.20-257,015,404.80-163,879,809.60

Finding the Fourth Proportional to 171,343,603.20, 257,015,404.80 and 163,879,809.60

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Solution

The fourth proportional to 171,343,603.20, 257,015,404.80 and 163,879,809.60 is: 245,819,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,343,603.20 : 257,015,404.80 = 163,879,809.60 : x
  2. Step 2: Convert to fraction form
    171,343,603.20/257,015,404.80 = 163,879,809.60/x
  3. Step 3: Cross multiply
    171,343,603.20x = 257,015,404.80 × 163,879,809.60
  4. Step 4: Simplify right side
    171,343,603.20x = 42,119,635,602,890,928
  5. Step 5: Solve for x
    x = 42,119,635,602,890,928/171,343,603.20
  6. Step 6: Final answer
    x = 245,819,714.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.