Home / 195,615.12-293,375.48-90,332.88

Finding the Fourth Proportional to 195,615.12, 293,375.48 and 90,332.88

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Solution

The fourth proportional to 195,615.12, 293,375.48 and 90,332.88 is: 135,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,615.12 : 293,375.48 = 90,332.88 : x
  2. Step 2: Convert to fraction form
    195,615.12/293,375.48 = 90,332.88/x
  3. Step 3: Cross multiply
    195,615.12x = 293,375.48 × 90,332.88
  4. Step 4: Simplify right side
    195,615.12x = 26,501,452,029.78
  5. Step 5: Solve for x
    x = 26,501,452,029.78/195,615.12
  6. Step 6: Final answer
    x = 135,477.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.