Home / 141,715.14-212,285.67-65,706.65

Finding the Fourth Proportional to 141,715.14, 212,285.67 and 65,706.65

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Solution

The fourth proportional to 141,715.14, 212,285.67 and 65,706.65 is: 98,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,715.14 : 212,285.67 = 65,706.65 : x
  2. Step 2: Convert to fraction form
    141,715.14/212,285.67 = 65,706.65/x
  3. Step 3: Cross multiply
    141,715.14x = 212,285.67 × 65,706.65
  4. Step 4: Simplify right side
    141,715.14x = 13,948,579,157.28
  5. Step 5: Solve for x
    x = 13,948,579,157.28/141,715.14
  6. Step 6: Final answer
    x = 98,426.88

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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.