Home / 292,650.17-438,975.40-82,288.10

Finding the Fourth Proportional to 292,650.17, 438,975.40 and 82,288.10

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Solution

The fourth proportional to 292,650.17, 438,975.40 and 82,288.10 is: 123,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,650.17 : 438,975.40 = 82,288.10 : x
  2. Step 2: Convert to fraction form
    292,650.17/438,975.40 = 82,288.10/x
  3. Step 3: Cross multiply
    292,650.17x = 438,975.40 × 82,288.10
  4. Step 4: Simplify right side
    292,650.17x = 36,122,452,658.75
  5. Step 5: Solve for x
    x = 36,122,452,658.75/292,650.17
  6. Step 6: Final answer
    x = 123,432.20

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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.