Home / 115,549.60-173,209.20-53,111.20

Finding the Fourth Proportional to 115,549.60, 173,209.20 and 53,111.20

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Solution

The fourth proportional to 115,549.60, 173,209.20 and 53,111.20 is: 79,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,549.60 : 173,209.20 = 53,111.20 : x
  2. Step 2: Convert to fraction form
    115,549.60/173,209.20 = 53,111.20/x
  3. Step 3: Cross multiply
    115,549.60x = 173,209.20 × 53,111.20
  4. Step 4: Simplify right side
    115,549.60x = 9,199,348,463.04
  5. Step 5: Solve for x
    x = 9,199,348,463.04/115,549.60
  6. Step 6: Final answer
    x = 79,613.85

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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.