Home / 141,912.18-212,869.11-42,073.25

Finding the Fourth Proportional to 141,912.18, 212,869.11 and 42,073.25

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Solution

The fourth proportional to 141,912.18, 212,869.11 and 42,073.25 is: 63,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912.18 : 212,869.11 = 42,073.25 : x
  2. Step 2: Convert to fraction form
    141,912.18/212,869.11 = 42,073.25/x
  3. Step 3: Cross multiply
    141,912.18x = 212,869.11 × 42,073.25
  4. Step 4: Simplify right side
    141,912.18x = 8,956,094,217.96
  5. Step 5: Solve for x
    x = 8,956,094,217.96/141,912.18
  6. Step 6: Final answer
    x = 63,110.12

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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.