Home / 185,967.12-279,069.48-67,627.20

Finding the Fourth Proportional to 185,967.12, 279,069.48 and 67,627.20

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Solution

The fourth proportional to 185,967.12, 279,069.48 and 67,627.20 is: 101,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,967.12 : 279,069.48 = 67,627.20 : x
  2. Step 2: Convert to fraction form
    185,967.12/279,069.48 = 67,627.20/x
  3. Step 3: Cross multiply
    185,967.12x = 279,069.48 × 67,627.20
  4. Step 4: Simplify right side
    185,967.12x = 18,872,687,537.86
  5. Step 5: Solve for x
    x = 18,872,687,537.86/185,967.12
  6. Step 6: Final answer
    x = 101,484.00

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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.