Home / 198,870.16-274,446.99-112,832.75

Finding the Fourth Proportional to 198,870.16, 274,446.99 and 112,832.75

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Solution

The fourth proportional to 198,870.16, 274,446.99 and 112,832.75 is: 155,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,870.16 : 274,446.99 = 112,832.75 : x
  2. Step 2: Convert to fraction form
    198,870.16/274,446.99 = 112,832.75/x
  3. Step 3: Cross multiply
    198,870.16x = 274,446.99 × 112,832.75
  4. Step 4: Simplify right side
    198,870.16x = 30,966,606,956.61
  5. Step 5: Solve for x
    x = 30,966,606,956.61/198,870.16
  6. Step 6: Final answer
    x = 155,712.69

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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.