Home / 124,613.64-186,729.03-84,580.56

Finding the Fourth Proportional to 124,613.64, 186,729.03 and 84,580.56

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Solution

The fourth proportional to 124,613.64, 186,729.03 and 84,580.56 is: 126,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613.64 : 186,729.03 = 84,580.56 : x
  2. Step 2: Convert to fraction form
    124,613.64/186,729.03 = 84,580.56/x
  3. Step 3: Cross multiply
    124,613.64x = 186,729.03 × 84,580.56
  4. Step 4: Simplify right side
    124,613.64x = 15,793,645,925.66
  5. Step 5: Solve for x
    x = 15,793,645,925.66/124,613.64
  6. Step 6: Final answer
    x = 126,740.91

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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.