Home / 115,231.80-159,142.14-93,777.24

Finding the Fourth Proportional to 115,231.80, 159,142.14 and 93,777.24

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Solution

The fourth proportional to 115,231.80, 159,142.14 and 93,777.24 is: 129,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231.80 : 159,142.14 = 93,777.24 : x
  2. Step 2: Convert to fraction form
    115,231.80/159,142.14 = 93,777.24/x
  3. Step 3: Cross multiply
    115,231.80x = 159,142.14 × 93,777.24
  4. Step 4: Simplify right side
    115,231.80x = 14,923,910,656.89
  5. Step 5: Solve for x
    x = 14,923,910,656.89/115,231.80
  6. Step 6: Final answer
    x = 129,512.08

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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.