Home / 132,588.87-198,883.32-109,166.10

Finding the Fourth Proportional to 132,588.87, 198,883.32 and 109,166.10

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Solution

The fourth proportional to 132,588.87, 198,883.32 and 109,166.10 is: 163,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.87 : 198,883.32 = 109,166.10 : x
  2. Step 2: Convert to fraction form
    132,588.87/198,883.32 = 109,166.10/x
  3. Step 3: Cross multiply
    132,588.87x = 198,883.32 × 109,166.10
  4. Step 4: Simplify right side
    132,588.87x = 21,711,316,399.45
  5. Step 5: Solve for x
    x = 21,711,316,399.45/132,588.87
  6. Step 6: Final answer
    x = 163,749.16

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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.