Home / 141,535.20-212,302.80-124,039.20

Finding the Fourth Proportional to 141,535.20, 212,302.80 and 124,039.20

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Solution

The fourth proportional to 141,535.20, 212,302.80 and 124,039.20 is: 186,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,535.20 : 212,302.80 = 124,039.20 : x
  2. Step 2: Convert to fraction form
    141,535.20/212,302.80 = 124,039.20/x
  3. Step 3: Cross multiply
    141,535.20x = 212,302.80 × 124,039.20
  4. Step 4: Simplify right side
    141,535.20x = 26,333,869,469.76
  5. Step 5: Solve for x
    x = 26,333,869,469.76/141,535.20
  6. Step 6: Final answer
    x = 186,058.80

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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.