Home / 141,942.92-212,881.57-42,079.03

Finding the Fourth Proportional to 141,942.92, 212,881.57 and 42,079.03

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Solution

The fourth proportional to 141,942.92, 212,881.57 and 42,079.03 is: 63,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,942.92 : 212,881.57 = 42,079.03 : x
  2. Step 2: Convert to fraction form
    141,942.92/212,881.57 = 42,079.03/x
  3. Step 3: Cross multiply
    141,942.92x = 212,881.57 × 42,079.03
  4. Step 4: Simplify right side
    141,942.92x = 8,957,849,333.08
  5. Step 5: Solve for x
    x = 8,957,849,333.08/141,942.92
  6. Step 6: Final answer
    x = 63,108.82

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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.