Home / 109,672.64-163,545.92-108,674.72

Finding the Fourth Proportional to 109,672.64, 163,545.92 and 108,674.72

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Solution

The fourth proportional to 109,672.64, 163,545.92 and 108,674.72 is: 162,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,672.64 : 163,545.92 = 108,674.72 : x
  2. Step 2: Convert to fraction form
    109,672.64/163,545.92 = 108,674.72/x
  3. Step 3: Cross multiply
    109,672.64x = 163,545.92 × 108,674.72
  4. Step 4: Simplify right side
    109,672.64x = 17,773,307,063.14
  5. Step 5: Solve for x
    x = 17,773,307,063.14/109,672.64
  6. Step 6: Final answer
    x = 162,057.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.