Home / 141,876.34-212,877.20-74,392.26

Finding the Fourth Proportional to 141,876.34, 212,877.20 and 74,392.26

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Solution

The fourth proportional to 141,876.34, 212,877.20 and 74,392.26 is: 111,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,876.34 : 212,877.20 = 74,392.26 : x
  2. Step 2: Convert to fraction form
    141,876.34/212,877.20 = 74,392.26/x
  3. Step 3: Cross multiply
    141,876.34x = 212,877.20 × 74,392.26
  4. Step 4: Simplify right side
    141,876.34x = 15,836,416,010.47
  5. Step 5: Solve for x
    x = 15,836,416,010.47/141,876.34
  6. Step 6: Final answer
    x = 111,621.26

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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.