Home / 115,895.20-173,864.40-37,031.80

Finding the Fourth Proportional to 115,895.20, 173,864.40 and 37,031.80

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Solution

The fourth proportional to 115,895.20, 173,864.40 and 37,031.80 is: 55,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,895.20 : 173,864.40 = 37,031.80 : x
  2. Step 2: Convert to fraction form
    115,895.20/173,864.40 = 37,031.80/x
  3. Step 3: Cross multiply
    115,895.20x = 173,864.40 × 37,031.80
  4. Step 4: Simplify right side
    115,895.20x = 6,438,511,687.92
  5. Step 5: Solve for x
    x = 6,438,511,687.92/115,895.20
  6. Step 6: Final answer
    x = 55,554.60

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1.5x scale

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.