Home / 134,872.60-202,308.90-64,715.80

Finding the Fourth Proportional to 134,872.60, 202,308.90 and 64,715.80

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Solution

The fourth proportional to 134,872.60, 202,308.90 and 64,715.80 is: 97,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,872.60 : 202,308.90 = 64,715.80 : x
  2. Step 2: Convert to fraction form
    134,872.60/202,308.90 = 64,715.80/x
  3. Step 3: Cross multiply
    134,872.60x = 202,308.90 × 64,715.80
  4. Step 4: Simplify right side
    134,872.60x = 13,092,582,310.62
  5. Step 5: Solve for x
    x = 13,092,582,310.62/134,872.60
  6. Step 6: Final answer
    x = 97,073.70

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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.