Home / 156,773.69-235,159.22-93,172.61

Finding the Fourth Proportional to 156,773.69, 235,159.22 and 93,172.61

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Solution

The fourth proportional to 156,773.69, 235,159.22 and 93,172.61 is: 139,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,773.69 : 235,159.22 = 93,172.61 : x
  2. Step 2: Convert to fraction form
    156,773.69/235,159.22 = 93,172.61/x
  3. Step 3: Cross multiply
    156,773.69x = 235,159.22 × 93,172.61
  4. Step 4: Simplify right side
    156,773.69x = 21,910,398,292.96
  5. Step 5: Solve for x
    x = 21,910,398,292.96/156,773.69
  6. Step 6: Final answer
    x = 139,758.13

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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.