Home / 130,008.40-194,998.20-36,523.60

Finding the Fourth Proportional to 130,008.40, 194,998.20 and 36,523.60

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Solution

The fourth proportional to 130,008.40, 194,998.20 and 36,523.60 is: 54,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,008.40 : 194,998.20 = 36,523.60 : x
  2. Step 2: Convert to fraction form
    130,008.40/194,998.20 = 36,523.60/x
  3. Step 3: Cross multiply
    130,008.40x = 194,998.20 × 36,523.60
  4. Step 4: Simplify right side
    130,008.40x = 7,122,036,257.52
  5. Step 5: Solve for x
    x = 7,122,036,257.52/130,008.40
  6. Step 6: Final answer
    x = 54,781.35

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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.