Home / 163,528.80-245,293.20-51,218.40

Finding the Fourth Proportional to 163,528.80, 245,293.20 and 51,218.40

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Solution

The fourth proportional to 163,528.80, 245,293.20 and 51,218.40 is: 76,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,528.80 : 245,293.20 = 51,218.40 : x
  2. Step 2: Convert to fraction form
    163,528.80/245,293.20 = 51,218.40/x
  3. Step 3: Cross multiply
    163,528.80x = 245,293.20 × 51,218.40
  4. Step 4: Simplify right side
    163,528.80x = 12,563,525,234.88
  5. Step 5: Solve for x
    x = 12,563,525,234.88/163,528.80
  6. Step 6: Final answer
    x = 76,827.60

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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.