Home / 132,587.28-198,880.92-109,164.51

Finding the Fourth Proportional to 132,587.28, 198,880.92 and 109,164.51

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Solution

The fourth proportional to 132,587.28, 198,880.92 and 109,164.51 is: 163,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,587.28 : 198,880.92 = 109,164.51 : x
  2. Step 2: Convert to fraction form
    132,587.28/198,880.92 = 109,164.51/x
  3. Step 3: Cross multiply
    132,587.28x = 198,880.92 × 109,164.51
  4. Step 4: Simplify right side
    132,587.28x = 21,710,738,180.15
  5. Step 5: Solve for x
    x = 21,710,738,180.15/132,587.28
  6. Step 6: Final answer
    x = 163,746.77

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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.