Home / 134,778.60-202,131.45-40,008.60

Finding the Fourth Proportional to 134,778.60, 202,131.45 and 40,008.60

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Solution

The fourth proportional to 134,778.60, 202,131.45 and 40,008.60 is: 60,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,778.60 : 202,131.45 = 40,008.60 : x
  2. Step 2: Convert to fraction form
    134,778.60/202,131.45 = 40,008.60/x
  3. Step 3: Cross multiply
    134,778.60x = 202,131.45 × 40,008.60
  4. Step 4: Simplify right side
    134,778.60x = 8,086,996,330.47
  5. Step 5: Solve for x
    x = 8,086,996,330.47/134,778.60
  6. Step 6: Final answer
    x = 60,002.08

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1.5x scale

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.