Home / 185,842.45-278,774.25-52,712.20

Finding the Fourth Proportional to 185,842.45, 278,774.25 and 52,712.20

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Solution

The fourth proportional to 185,842.45, 278,774.25 and 52,712.20 is: 79,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.45 : 278,774.25 = 52,712.20 : x
  2. Step 2: Convert to fraction form
    185,842.45/278,774.25 = 52,712.20/x
  3. Step 3: Cross multiply
    185,842.45x = 278,774.25 × 52,712.20
  4. Step 4: Simplify right side
    185,842.45x = 14,694,804,020.85
  5. Step 5: Solve for x
    x = 14,694,804,020.85/185,842.45
  6. Step 6: Final answer
    x = 79,071.30

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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.