Home / 102,346.48-153,332.68-74,196.71

Finding the Fourth Proportional to 102,346.48, 153,332.68 and 74,196.71

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Solution

The fourth proportional to 102,346.48, 153,332.68 and 74,196.71 is: 111,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,346.48 : 153,332.68 = 74,196.71 : x
  2. Step 2: Convert to fraction form
    102,346.48/153,332.68 = 74,196.71/x
  3. Step 3: Cross multiply
    102,346.48x = 153,332.68 × 74,196.71
  4. Step 4: Simplify right side
    102,346.48x = 11,376,780,391.48
  5. Step 5: Solve for x
    x = 11,376,780,391.48/102,346.48
  6. Step 6: Final answer
    x = 111,159.47

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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.