Home / 182,062.80-272,948.40-76,795.20

Finding the Fourth Proportional to 182,062.80, 272,948.40 and 76,795.20

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Solution

The fourth proportional to 182,062.80, 272,948.40 and 76,795.20 is: 115,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,062.80 : 272,948.40 = 76,795.20 : x
  2. Step 2: Convert to fraction form
    182,062.80/272,948.40 = 76,795.20/x
  3. Step 3: Cross multiply
    182,062.80x = 272,948.40 × 76,795.20
  4. Step 4: Simplify right side
    182,062.80x = 20,961,126,967.68
  5. Step 5: Solve for x
    x = 20,961,126,967.68/182,062.80
  6. Step 6: Final answer
    x = 115,131.30

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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.