Home / 141,001.92-211,440.72-66,061.68

Finding the Fourth Proportional to 141,001.92, 211,440.72 and 66,061.68

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Solution

The fourth proportional to 141,001.92, 211,440.72 and 66,061.68 is: 99,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,001.92 : 211,440.72 = 66,061.68 : x
  2. Step 2: Convert to fraction form
    141,001.92/211,440.72 = 66,061.68/x
  3. Step 3: Cross multiply
    141,001.92x = 211,440.72 × 66,061.68
  4. Step 4: Simplify right side
    141,001.92x = 13,968,129,183.61
  5. Step 5: Solve for x
    x = 13,968,129,183.61/141,001.92
  6. Step 6: Final answer
    x = 99,063.40

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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.