Home / 156,740.24-235,150.14-72,561.08

Finding the Fourth Proportional to 156,740.24, 235,150.14 and 72,561.08

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Solution

The fourth proportional to 156,740.24, 235,150.14 and 72,561.08 is: 108,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.24 : 235,150.14 = 72,561.08 : x
  2. Step 2: Convert to fraction form
    156,740.24/235,150.14 = 72,561.08/x
  3. Step 3: Cross multiply
    156,740.24x = 235,150.14 × 72,561.08
  4. Step 4: Simplify right side
    156,740.24x = 17,062,748,120.55
  5. Step 5: Solve for x
    x = 17,062,748,120.55/156,740.24
  6. Step 6: Final answer
    x = 108,860.04

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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.