Home / 215,191.31-297,000.04-124,531.65

Finding the Fourth Proportional to 215,191.31, 297,000.04 and 124,531.65

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Solution

The fourth proportional to 215,191.31, 297,000.04 and 124,531.65 is: 171,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,191.31 : 297,000.04 = 124,531.65 : x
  2. Step 2: Convert to fraction form
    215,191.31/297,000.04 = 124,531.65/x
  3. Step 3: Cross multiply
    215,191.31x = 297,000.04 × 124,531.65
  4. Step 4: Simplify right side
    215,191.31x = 36,985,905,031.27
  5. Step 5: Solve for x
    x = 36,985,905,031.27/215,191.31
  6. Step 6: Final answer
    x = 171,874.53

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1.5x scale

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.