Home / 112,248.92-154,923.56-66,929.80

Finding the Fourth Proportional to 112,248.92, 154,923.56 and 66,929.80

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Solution

The fourth proportional to 112,248.92, 154,923.56 and 66,929.80 is: 92,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,248.92 : 154,923.56 = 66,929.80 : x
  2. Step 2: Convert to fraction form
    112,248.92/154,923.56 = 66,929.80/x
  3. Step 3: Cross multiply
    112,248.92x = 154,923.56 × 66,929.80
  4. Step 4: Simplify right side
    112,248.92x = 10,369,002,886.09
  5. Step 5: Solve for x
    x = 10,369,002,886.09/112,248.92
  6. Step 6: Final answer
    x = 92,375.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.