Home / 112,151.02-154,741.28-66,799.92

Finding the Fourth Proportional to 112,151.02, 154,741.28 and 66,799.92

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Solution

The fourth proportional to 112,151.02, 154,741.28 and 66,799.92 is: 92,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,151.02 : 154,741.28 = 66,799.92 : x
  2. Step 2: Convert to fraction form
    112,151.02/154,741.28 = 66,799.92/x
  3. Step 3: Cross multiply
    112,151.02x = 154,741.28 × 66,799.92
  4. Step 4: Simplify right side
    112,151.02x = 10,336,705,124.70
  5. Step 5: Solve for x
    x = 10,336,705,124.70/112,151.02
  6. Step 6: Final answer
    x = 92,167.73

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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.