Home / 141,391.26-212,184.10-52,715.70

Finding the Fourth Proportional to 141,391.26, 212,184.10 and 52,715.70

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Solution

The fourth proportional to 141,391.26, 212,184.10 and 52,715.70 is: 79,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,391.26 : 212,184.10 = 52,715.70 : x
  2. Step 2: Convert to fraction form
    141,391.26/212,184.10 = 52,715.70/x
  3. Step 3: Cross multiply
    141,391.26x = 212,184.10 × 52,715.70
  4. Step 4: Simplify right side
    141,391.26x = 11,185,433,360.37
  5. Step 5: Solve for x
    x = 11,185,433,360.37/141,391.26
  6. Step 6: Final answer
    x = 79,109.79

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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.