Home / 371,766.24-513,036.40-202,000.96

Finding the Fourth Proportional to 371,766.24, 513,036.40 and 202,000.96

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Solution

The fourth proportional to 371,766.24, 513,036.40 and 202,000.96 is: 278,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,766.24 : 513,036.40 = 202,000.96 : x
  2. Step 2: Convert to fraction form
    371,766.24/513,036.40 = 202,000.96/x
  3. Step 3: Cross multiply
    371,766.24x = 513,036.40 × 202,000.96
  4. Step 4: Simplify right side
    371,766.24x = 103,633,845,314.94
  5. Step 5: Solve for x
    x = 103,633,845,314.94/371,766.24
  6. Step 6: Final answer
    x = 278,760.78

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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.