Home / 115,250.40-172,875.30-32,144.40

Finding the Fourth Proportional to 115,250.40, 172,875.30 and 32,144.40

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Solution

The fourth proportional to 115,250.40, 172,875.30 and 32,144.40 is: 48,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250.40 : 172,875.30 = 32,144.40 : x
  2. Step 2: Convert to fraction form
    115,250.40/172,875.30 = 32,144.40/x
  3. Step 3: Cross multiply
    115,250.40x = 172,875.30 × 32,144.40
  4. Step 4: Simplify right side
    115,250.40x = 5,556,972,793.32
  5. Step 5: Solve for x
    x = 5,556,972,793.32/115,250.40
  6. Step 6: Final answer
    x = 48,216.52

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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.