Home / 134,729.43-185,927.91-74,302.21

Finding the Fourth Proportional to 134,729.43, 185,927.91 and 74,302.21

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Solution

The fourth proportional to 134,729.43, 185,927.91 and 74,302.21 is: 102,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,729.43 : 185,927.91 = 74,302.21 : x
  2. Step 2: Convert to fraction form
    134,729.43/185,927.91 = 74,302.21/x
  3. Step 3: Cross multiply
    134,729.43x = 185,927.91 × 74,302.21
  4. Step 4: Simplify right side
    134,729.43x = 13,814,854,613.68
  5. Step 5: Solve for x
    x = 13,814,854,613.68/134,729.43
  6. Step 6: Final answer
    x = 102,537.76

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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.