Home / 175,763.20-263,644.80-57,438.40

Finding the Fourth Proportional to 175,763.20, 263,644.80 and 57,438.40

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Solution

The fourth proportional to 175,763.20, 263,644.80 and 57,438.40 is: 86,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,763.20 : 263,644.80 = 57,438.40 : x
  2. Step 2: Convert to fraction form
    175,763.20/263,644.80 = 57,438.40/x
  3. Step 3: Cross multiply
    175,763.20x = 263,644.80 × 57,438.40
  4. Step 4: Simplify right side
    175,763.20x = 15,143,335,480.32
  5. Step 5: Solve for x
    x = 15,143,335,480.32/175,763.20
  6. Step 6: Final answer
    x = 86,157.60

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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.