Home / 263,545.92-363,693.58-142,687.28

Finding the Fourth Proportional to 263,545.92, 363,693.58 and 142,687.28

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Solution

The fourth proportional to 263,545.92, 363,693.58 and 142,687.28 is: 196,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,545.92 : 363,693.58 = 142,687.28 : x
  2. Step 2: Convert to fraction form
    263,545.92/363,693.58 = 142,687.28/x
  3. Step 3: Cross multiply
    263,545.92x = 363,693.58 × 142,687.28
  4. Step 4: Simplify right side
    263,545.92x = 51,894,447,683.66
  5. Step 5: Solve for x
    x = 51,894,447,683.66/263,545.92
  6. Step 6: Final answer
    x = 196,908.56

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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.