Home / 202,397.04-279,306.60-111,758.76

Finding the Fourth Proportional to 202,397.04, 279,306.60 and 111,758.76

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Solution

The fourth proportional to 202,397.04, 279,306.60 and 111,758.76 is: 154,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,397.04 : 279,306.60 = 111,758.76 : x
  2. Step 2: Convert to fraction form
    202,397.04/279,306.60 = 111,758.76/x
  3. Step 3: Cross multiply
    202,397.04x = 279,306.60 × 111,758.76
  4. Step 4: Simplify right side
    202,397.04x = 31,214,959,275.82
  5. Step 5: Solve for x
    x = 31,214,959,275.82/202,397.04
  6. Step 6: Final answer
    x = 154,226.36

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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.