Home / 399,154.61-598,827.23-132,917.42

Finding the Fourth Proportional to 399,154.61, 598,827.23 and 132,917.42

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Solution

The fourth proportional to 399,154.61, 598,827.23 and 132,917.42 is: 199,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,154.61 : 598,827.23 = 132,917.42 : x
  2. Step 2: Convert to fraction form
    399,154.61/598,827.23 = 132,917.42/x
  3. Step 3: Cross multiply
    399,154.61x = 598,827.23 × 132,917.42
  4. Step 4: Simplify right side
    399,154.61x = 79,594,570,437.35
  5. Step 5: Solve for x
    x = 79,594,570,437.35/399,154.61
  6. Step 6: Final answer
    x = 199,407.87

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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.