Home / 130,471.90-195,540.57-113,534.50

Finding the Fourth Proportional to 130,471.90, 195,540.57 and 113,534.50

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Solution

The fourth proportional to 130,471.90, 195,540.57 and 113,534.50 is: 170,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,471.90 : 195,540.57 = 113,534.50 : x
  2. Step 2: Convert to fraction form
    130,471.90/195,540.57 = 113,534.50/x
  3. Step 3: Cross multiply
    130,471.90x = 195,540.57 × 113,534.50
  4. Step 4: Simplify right side
    130,471.90x = 22,200,600,844.67
  5. Step 5: Solve for x
    x = 22,200,600,844.67/130,471.90
  6. Step 6: Final answer
    x = 170,156.19

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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.