Home / 118,821.59-178,173.08-38,849.14

Finding the Fourth Proportional to 118,821.59, 178,173.08 and 38,849.14

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Solution

The fourth proportional to 118,821.59, 178,173.08 and 38,849.14 is: 58,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,821.59 : 178,173.08 = 38,849.14 : x
  2. Step 2: Convert to fraction form
    118,821.59/178,173.08 = 38,849.14/x
  3. Step 3: Cross multiply
    118,821.59x = 178,173.08 × 38,849.14
  4. Step 4: Simplify right side
    118,821.59x = 6,921,870,929.15
  5. Step 5: Solve for x
    x = 6,921,870,929.15/118,821.59
  6. Step 6: Final answer
    x = 58,254.32

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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.