Home / 185,530.48-278,307.30-52,420.96

Finding the Fourth Proportional to 185,530.48, 278,307.30 and 52,420.96

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Solution

The fourth proportional to 185,530.48, 278,307.30 and 52,420.96 is: 78,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,530.48 : 278,307.30 = 52,420.96 : x
  2. Step 2: Convert to fraction form
    185,530.48/278,307.30 = 52,420.96/x
  3. Step 3: Cross multiply
    185,530.48x = 278,307.30 × 52,420.96
  4. Step 4: Simplify right side
    185,530.48x = 14,589,135,841.01
  5. Step 5: Solve for x
    x = 14,589,135,841.01/185,530.48
  6. Step 6: Final answer
    x = 78,634.71

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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.