Home / 207,788.24-286,747.80-112,294.76

Finding the Fourth Proportional to 207,788.24, 286,747.80 and 112,294.76

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Solution

The fourth proportional to 207,788.24, 286,747.80 and 112,294.76 is: 154,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,788.24 : 286,747.80 = 112,294.76 : x
  2. Step 2: Convert to fraction form
    207,788.24/286,747.80 = 112,294.76/x
  3. Step 3: Cross multiply
    207,788.24x = 286,747.80 × 112,294.76
  4. Step 4: Simplify right side
    207,788.24x = 32,200,275,381.53
  5. Step 5: Solve for x
    x = 32,200,275,381.53/207,788.24
  6. Step 6: Final answer
    x = 154,966.78

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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.