Home / 614,005.20-921,147.98-187,601.71

Finding the Fourth Proportional to 614,005.20, 921,147.98 and 187,601.71

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Solution

The fourth proportional to 614,005.20, 921,147.98 and 187,601.71 is: 281,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,005.20 : 921,147.98 = 187,601.71 : x
  2. Step 2: Convert to fraction form
    614,005.20/921,147.98 = 187,601.71/x
  3. Step 3: Cross multiply
    614,005.20x = 921,147.98 × 187,601.71
  4. Step 4: Simplify right side
    614,005.20x = 172,808,936,211.05
  5. Step 5: Solve for x
    x = 172,808,936,211.05/614,005.20
  6. Step 6: Final answer
    x = 281,445.40

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1.5x scale

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.