Home / 102,476.13-152,695.44-91,296.92

Finding the Fourth Proportional to 102,476.13, 152,695.44 and 91,296.92

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Solution

The fourth proportional to 102,476.13, 152,695.44 and 91,296.92 is: 136,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,476.13 : 152,695.44 = 91,296.92 : x
  2. Step 2: Convert to fraction form
    102,476.13/152,695.44 = 91,296.92/x
  3. Step 3: Cross multiply
    102,476.13x = 152,695.44 × 91,296.92
  4. Step 4: Simplify right side
    102,476.13x = 13,940,622,948.93
  5. Step 5: Solve for x
    x = 13,940,622,948.93/102,476.13
  6. Step 6: Final answer
    x = 136,037.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.