Home / 141,199.10-211,839.65-56,915.76

Finding the Fourth Proportional to 141,199.10, 211,839.65 and 56,915.76

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Solution

The fourth proportional to 141,199.10, 211,839.65 and 56,915.76 is: 85,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,199.10 : 211,839.65 = 56,915.76 : x
  2. Step 2: Convert to fraction form
    141,199.10/211,839.65 = 56,915.76/x
  3. Step 3: Cross multiply
    141,199.10x = 211,839.65 × 56,915.76
  4. Step 4: Simplify right side
    141,199.10x = 12,057,015,721.29
  5. Step 5: Solve for x
    x = 12,057,015,721.29/141,199.10
  6. Step 6: Final answer
    x = 85,390.17

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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.