Home / 141,864.60-212,012.79-133,670.52

Finding the Fourth Proportional to 141,864.60, 212,012.79 and 133,670.52

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Solution

The fourth proportional to 141,864.60, 212,012.79 and 133,670.52 is: 199,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.60 : 212,012.79 = 133,670.52 : x
  2. Step 2: Convert to fraction form
    141,864.60/212,012.79 = 133,670.52/x
  3. Step 3: Cross multiply
    141,864.60x = 212,012.79 × 133,670.52
  4. Step 4: Simplify right side
    141,864.60x = 28,339,859,885.95
  5. Step 5: Solve for x
    x = 28,339,859,885.95/141,864.60
  6. Step 6: Final answer
    x = 199,766.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.