Home / 156,980.08-235,468.17-38,652.46

Finding the Fourth Proportional to 156,980.08, 235,468.17 and 38,652.46

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Solution

The fourth proportional to 156,980.08, 235,468.17 and 38,652.46 is: 57,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.08 : 235,468.17 = 38,652.46 : x
  2. Step 2: Convert to fraction form
    156,980.08/235,468.17 = 38,652.46/x
  3. Step 3: Cross multiply
    156,980.08x = 235,468.17 × 38,652.46
  4. Step 4: Simplify right side
    156,980.08x = 9,101,424,022.20
  5. Step 5: Solve for x
    x = 9,101,424,022.20/156,980.08
  6. Step 6: Final answer
    x = 57,978.21

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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.