Home / 292,558.20-438,837.30-239,414.10

Finding the Fourth Proportional to 292,558.20, 438,837.30 and 239,414.10

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Solution

The fourth proportional to 292,558.20, 438,837.30 and 239,414.10 is: 359,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,558.20 : 438,837.30 = 239,414.10 : x
  2. Step 2: Convert to fraction form
    292,558.20/438,837.30 = 239,414.10/x
  3. Step 3: Cross multiply
    292,558.20x = 438,837.30 × 239,414.10
  4. Step 4: Simplify right side
    292,558.20x = 105,063,837,225.93
  5. Step 5: Solve for x
    x = 105,063,837,225.93/292,558.20
  6. Step 6: Final answer
    x = 359,121.15

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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.