Home / 202,358.16-279,246.92-111,712.17

Finding the Fourth Proportional to 202,358.16, 279,246.92 and 111,712.17

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Solution

The fourth proportional to 202,358.16, 279,246.92 and 111,712.17 is: 154,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,358.16 : 279,246.92 = 111,712.17 : x
  2. Step 2: Convert to fraction form
    202,358.16/279,246.92 = 111,712.17/x
  3. Step 3: Cross multiply
    202,358.16x = 279,246.92 × 111,712.17
  4. Step 4: Simplify right side
    202,358.16x = 31,195,279,678.30
  5. Step 5: Solve for x
    x = 31,195,279,678.30/202,358.16
  6. Step 6: Final answer
    x = 154,158.74

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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.