Home / 112,275.38-168,534.40-99,874.82

Finding the Fourth Proportional to 112,275.38, 168,534.40 and 99,874.82

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Solution

The fourth proportional to 112,275.38, 168,534.40 and 99,874.82 is: 149,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,275.38 : 168,534.40 = 99,874.82 : x
  2. Step 2: Convert to fraction form
    112,275.38/168,534.40 = 99,874.82/x
  3. Step 3: Cross multiply
    112,275.38x = 168,534.40 × 99,874.82
  4. Step 4: Simplify right side
    112,275.38x = 16,832,342,863.81
  5. Step 5: Solve for x
    x = 16,832,342,863.81/112,275.38
  6. Step 6: Final answer
    x = 149,920.16

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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.