Home / 263,363.13-363,440.10-142,504.65

Finding the Fourth Proportional to 263,363.13, 363,440.10 and 142,504.65

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Solution

The fourth proportional to 263,363.13, 363,440.10 and 142,504.65 is: 196,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,363.13 : 363,440.10 = 142,504.65 : x
  2. Step 2: Convert to fraction form
    263,363.13/363,440.10 = 142,504.65/x
  3. Step 3: Cross multiply
    263,363.13x = 363,440.10 × 142,504.65
  4. Step 4: Simplify right side
    263,363.13x = 51,791,904,246.47
  5. Step 5: Solve for x
    x = 51,791,904,246.47/263,363.13
  6. Step 6: Final answer
    x = 196,655.87

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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.