Home / 185,355.06-278,054.18-67,082.10

Finding the Fourth Proportional to 185,355.06, 278,054.18 and 67,082.10

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Solution

The fourth proportional to 185,355.06, 278,054.18 and 67,082.10 is: 100,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,355.06 : 278,054.18 = 67,082.10 : x
  2. Step 2: Convert to fraction form
    185,355.06/278,054.18 = 67,082.10/x
  3. Step 3: Cross multiply
    185,355.06x = 278,054.18 × 67,082.10
  4. Step 4: Simplify right side
    185,355.06x = 18,652,458,308.18
  5. Step 5: Solve for x
    x = 18,652,458,308.18/185,355.06
  6. Step 6: Final answer
    x = 100,630.96

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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.