Home / 263,521.92-363,659.80-142,663.16

Finding the Fourth Proportional to 263,521.92, 363,659.80 and 142,663.16

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Solution

The fourth proportional to 263,521.92, 363,659.80 and 142,663.16 is: 196,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,521.92 : 363,659.80 = 142,663.16 : x
  2. Step 2: Convert to fraction form
    263,521.92/363,659.80 = 142,663.16/x
  3. Step 3: Cross multiply
    263,521.92x = 363,659.80 × 142,663.16
  4. Step 4: Simplify right side
    263,521.92x = 51,880,856,232.97
  5. Step 5: Solve for x
    x = 51,880,856,232.97/263,521.92
  6. Step 6: Final answer
    x = 196,874.92

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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.