Home / 132,323.32-198,740.28-113,390.87

Finding the Fourth Proportional to 132,323.32, 198,740.28 and 113,390.87

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Solution

The fourth proportional to 132,323.32, 198,740.28 and 113,390.87 is: 170,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,323.32 : 198,740.28 = 113,390.87 : x
  2. Step 2: Convert to fraction form
    132,323.32/198,740.28 = 113,390.87/x
  3. Step 3: Cross multiply
    132,323.32x = 198,740.28 × 113,390.87
  4. Step 4: Simplify right side
    132,323.32x = 22,535,333,253.24
  5. Step 5: Solve for x
    x = 22,535,333,253.24/132,323.32
  6. Step 6: Final answer
    x = 170,305.08

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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.