Home / 186,207.12-279,311.28-45,965.73

Finding the Fourth Proportional to 186,207.12, 279,311.28 and 45,965.73

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Solution

The fourth proportional to 186,207.12, 279,311.28 and 45,965.73 is: 68,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,207.12 : 279,311.28 = 45,965.73 : x
  2. Step 2: Convert to fraction form
    186,207.12/279,311.28 = 45,965.73/x
  3. Step 3: Cross multiply
    186,207.12x = 279,311.28 × 45,965.73
  4. Step 4: Simplify right side
    186,207.12x = 12,838,746,882.43
  5. Step 5: Solve for x
    x = 12,838,746,882.43/186,207.12
  6. Step 6: Final answer
    x = 68,948.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.