Home / 141,630.39-212,445.18-97,122.11

Finding the Fourth Proportional to 141,630.39, 212,445.18 and 97,122.11

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Solution

The fourth proportional to 141,630.39, 212,445.18 and 97,122.11 is: 145,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,630.39 : 212,445.18 = 97,122.11 : x
  2. Step 2: Convert to fraction form
    141,630.39/212,445.18 = 97,122.11/x
  3. Step 3: Cross multiply
    141,630.39x = 212,445.18 × 97,122.11
  4. Step 4: Simplify right side
    141,630.39x = 20,633,123,078.70
  5. Step 5: Solve for x
    x = 20,633,123,078.70/141,630.39
  6. Step 6: Final answer
    x = 145,682.88

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1.5x scale

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.