Home / 207,882.28-286,877.57-112,388.95

Finding the Fourth Proportional to 207,882.28, 286,877.57 and 112,388.95

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Solution

The fourth proportional to 207,882.28, 286,877.57 and 112,388.95 is: 155,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,882.28 : 286,877.57 = 112,388.95 : x
  2. Step 2: Convert to fraction form
    207,882.28/286,877.57 = 112,388.95/x
  3. Step 3: Cross multiply
    207,882.28x = 286,877.57 × 112,388.95
  4. Step 4: Simplify right side
    207,882.28x = 32,241,868,870.85
  5. Step 5: Solve for x
    x = 32,241,868,870.85/207,882.28
  6. Step 6: Final answer
    x = 155,096.76

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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.