Home / 132,470.05-198,729.73-61,345.73

Finding the Fourth Proportional to 132,470.05, 198,729.73 and 61,345.73

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Solution

The fourth proportional to 132,470.05, 198,729.73 and 61,345.73 is: 92,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,470.05 : 198,729.73 = 61,345.73 : x
  2. Step 2: Convert to fraction form
    132,470.05/198,729.73 = 61,345.73/x
  3. Step 3: Cross multiply
    132,470.05x = 198,729.73 × 61,345.73
  4. Step 4: Simplify right side
    132,470.05x = 12,191,220,201.60
  5. Step 5: Solve for x
    x = 12,191,220,201.60/132,470.05
  6. Step 6: Final answer
    x = 92,030.01

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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.