Home / 131,525.31-197,201.70-74,600.13

Finding the Fourth Proportional to 131,525.31, 197,201.70 and 74,600.13

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Solution

The fourth proportional to 131,525.31, 197,201.70 and 74,600.13 is: 111,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,525.31 : 197,201.70 = 74,600.13 : x
  2. Step 2: Convert to fraction form
    131,525.31/197,201.70 = 74,600.13/x
  3. Step 3: Cross multiply
    131,525.31x = 197,201.70 × 74,600.13
  4. Step 4: Simplify right side
    131,525.31x = 14,711,272,456.22
  5. Step 5: Solve for x
    x = 14,711,272,456.22/131,525.31
  6. Step 6: Final answer
    x = 111,851.27

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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.