Home / 114,167.43-157,582.76-66,430.04

Finding the Fourth Proportional to 114,167.43, 157,582.76 and 66,430.04

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Solution

The fourth proportional to 114,167.43, 157,582.76 and 66,430.04 is: 91,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,167.43 : 157,582.76 = 66,430.04 : x
  2. Step 2: Convert to fraction form
    114,167.43/157,582.76 = 66,430.04/x
  3. Step 3: Cross multiply
    114,167.43x = 157,582.76 × 66,430.04
  4. Step 4: Simplify right side
    114,167.43x = 10,468,227,930.05
  5. Step 5: Solve for x
    x = 10,468,227,930.05/114,167.43
  6. Step 6: Final answer
    x = 91,691.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.