Home / 115,186.03-172,779.01-36,306.41

Finding the Fourth Proportional to 115,186.03, 172,779.01 and 36,306.41

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Solution

The fourth proportional to 115,186.03, 172,779.01 and 36,306.41 is: 54,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.03 : 172,779.01 = 36,306.41 : x
  2. Step 2: Convert to fraction form
    115,186.03/172,779.01 = 36,306.41/x
  3. Step 3: Cross multiply
    115,186.03x = 172,779.01 × 36,306.41
  4. Step 4: Simplify right side
    115,186.03x = 6,272,984,621.79
  5. Step 5: Solve for x
    x = 6,272,984,621.79/115,186.03
  6. Step 6: Final answer
    x = 54,459.60

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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.