Home / 141,515.17-195,294.59-76,988.42

Finding the Fourth Proportional to 141,515.17, 195,294.59 and 76,988.42

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Solution

The fourth proportional to 141,515.17, 195,294.59 and 76,988.42 is: 106,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,515.17 : 195,294.59 = 76,988.42 : x
  2. Step 2: Convert to fraction form
    141,515.17/195,294.59 = 76,988.42/x
  3. Step 3: Cross multiply
    141,515.17x = 195,294.59 × 76,988.42
  4. Step 4: Simplify right side
    141,515.17x = 15,035,423,109.89
  5. Step 5: Solve for x
    x = 15,035,423,109.89/141,515.17
  6. Step 6: Final answer
    x = 106,246.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.