Home / 141,981.19-212,658.89-117,358.27

Finding the Fourth Proportional to 141,981.19, 212,658.89 and 117,358.27

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Solution

The fourth proportional to 141,981.19, 212,658.89 and 117,358.27 is: 175,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,981.19 : 212,658.89 = 117,358.27 : x
  2. Step 2: Convert to fraction form
    141,981.19/212,658.89 = 117,358.27/x
  3. Step 3: Cross multiply
    141,981.19x = 212,658.89 × 117,358.27
  4. Step 4: Simplify right side
    141,981.19x = 24,957,279,430.52
  5. Step 5: Solve for x
    x = 24,957,279,430.52/141,981.19
  6. Step 6: Final answer
    x = 175,778.77

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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.