Home / 263,423.92-363,525-142,565.20

Finding the Fourth Proportional to 263,423.92, 363,525 and 142,565.20

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Solution

The fourth proportional to 263,423.92, 363,525 and 142,565.20 is: 196,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,423.92 : 363,525 = 142,565.20 : x
  2. Step 2: Convert to fraction form
    263,423.92/363,525 = 142,565.20/x
  3. Step 3: Cross multiply
    263,423.92x = 363,525 × 142,565.20
  4. Step 4: Simplify right side
    263,423.92x = 51,826,014,330.00
  5. Step 5: Solve for x
    x = 51,826,014,330.00/263,423.92
  6. Step 6: Final answer
    x = 196,739.97

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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.