Home / 115,515.60-173,257.20-36,637.80

Finding the Fourth Proportional to 115,515.60, 173,257.20 and 36,637.80

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Solution

The fourth proportional to 115,515.60, 173,257.20 and 36,637.80 is: 54,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,515.60 : 173,257.20 = 36,637.80 : x
  2. Step 2: Convert to fraction form
    115,515.60/173,257.20 = 36,637.80/x
  3. Step 3: Cross multiply
    115,515.60x = 173,257.20 × 36,637.80
  4. Step 4: Simplify right side
    115,515.60x = 6,347,762,642.16
  5. Step 5: Solve for x
    x = 6,347,762,642.16/115,515.60
  6. Step 6: Final answer
    x = 54,951.56

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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.