Home / 141,463.87-212,209.66-51,531.02

Finding the Fourth Proportional to 141,463.87, 212,209.66 and 51,531.02

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Solution

The fourth proportional to 141,463.87, 212,209.66 and 51,531.02 is: 77,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,463.87 : 212,209.66 = 51,531.02 : x
  2. Step 2: Convert to fraction form
    141,463.87/212,209.66 = 51,531.02/x
  3. Step 3: Cross multiply
    141,463.87x = 212,209.66 × 51,531.02
  4. Step 4: Simplify right side
    141,463.87x = 10,935,379,742.94
  5. Step 5: Solve for x
    x = 10,935,379,742.94/141,463.87
  6. Step 6: Final answer
    x = 77,301.57

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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.