Home / 141,112.80-211,496.40-62,143.20

Finding the Fourth Proportional to 141,112.80, 211,496.40 and 62,143.20

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Solution

The fourth proportional to 141,112.80, 211,496.40 and 62,143.20 is: 93,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,112.80 : 211,496.40 = 62,143.20 : x
  2. Step 2: Convert to fraction form
    141,112.80/211,496.40 = 62,143.20/x
  3. Step 3: Cross multiply
    141,112.80x = 211,496.40 × 62,143.20
  4. Step 4: Simplify right side
    141,112.80x = 13,143,063,084.48
  5. Step 5: Solve for x
    x = 13,143,063,084.48/141,112.80
  6. Step 6: Final answer
    x = 93,138.70

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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.