Home / 117,882.02-162,680.85-64,170.61

Finding the Fourth Proportional to 117,882.02, 162,680.85 and 64,170.61

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Solution

The fourth proportional to 117,882.02, 162,680.85 and 64,170.61 is: 88,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,882.02 : 162,680.85 = 64,170.61 : x
  2. Step 2: Convert to fraction form
    117,882.02/162,680.85 = 64,170.61/x
  3. Step 3: Cross multiply
    117,882.02x = 162,680.85 × 64,170.61
  4. Step 4: Simplify right side
    117,882.02x = 10,439,329,583.17
  5. Step 5: Solve for x
    x = 10,439,329,583.17/117,882.02
  6. Step 6: Final answer
    x = 88,557.44

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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.