Home / 185,715.79-278,613.66-57,629.53

Finding the Fourth Proportional to 185,715.79, 278,613.66 and 57,629.53

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Solution

The fourth proportional to 185,715.79, 278,613.66 and 57,629.53 is: 86,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,715.79 : 278,613.66 = 57,629.53 : x
  2. Step 2: Convert to fraction form
    185,715.79/278,613.66 = 57,629.53/x
  3. Step 3: Cross multiply
    185,715.79x = 278,613.66 × 57,629.53
  4. Step 4: Simplify right side
    185,715.79x = 16,056,374,277.38
  5. Step 5: Solve for x
    x = 16,056,374,277.38/185,715.79
  6. Step 6: Final answer
    x = 86,456.70

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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.