Home / 115,132.16-172,683.12-36,246.80

Finding the Fourth Proportional to 115,132.16, 172,683.12 and 36,246.80

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Solution

The fourth proportional to 115,132.16, 172,683.12 and 36,246.80 is: 54,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,132.16 : 172,683.12 = 36,246.80 : x
  2. Step 2: Convert to fraction form
    115,132.16/172,683.12 = 36,246.80/x
  3. Step 3: Cross multiply
    115,132.16x = 172,683.12 × 36,246.80
  4. Step 4: Simplify right side
    115,132.16x = 6,259,210,514.02
  5. Step 5: Solve for x
    x = 6,259,210,514.02/115,132.16
  6. Step 6: Final answer
    x = 54,365.44

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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.