Home / 141,908.11-212,862.17-36,726.78

Finding the Fourth Proportional to 141,908.11, 212,862.17 and 36,726.78

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Solution

The fourth proportional to 141,908.11, 212,862.17 and 36,726.78 is: 55,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,908.11 : 212,862.17 = 36,726.78 : x
  2. Step 2: Convert to fraction form
    141,908.11/212,862.17 = 36,726.78/x
  3. Step 3: Cross multiply
    141,908.11x = 212,862.17 × 36,726.78
  4. Step 4: Simplify right side
    141,908.11x = 7,817,742,087.91
  5. Step 5: Solve for x
    x = 7,817,742,087.91/141,908.11
  6. Step 6: Final answer
    x = 55,090.17

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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.