Home / 374,240.66-516,452.02-202,158.59

Finding the Fourth Proportional to 374,240.66, 516,452.02 and 202,158.59

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Solution

The fourth proportional to 374,240.66, 516,452.02 and 202,158.59 is: 278,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,240.66 : 516,452.02 = 202,158.59 : x
  2. Step 2: Convert to fraction form
    374,240.66/516,452.02 = 202,158.59/x
  3. Step 3: Cross multiply
    374,240.66x = 516,452.02 × 202,158.59
  4. Step 4: Simplify right side
    374,240.66x = 104,405,209,078.20
  5. Step 5: Solve for x
    x = 104,405,209,078.20/374,240.66
  6. Step 6: Final answer
    x = 278,978.80

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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.