Home / 386,729.76-580,110.35-184,221.75

Finding the Fourth Proportional to 386,729.76, 580,110.35 and 184,221.75

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Solution

The fourth proportional to 386,729.76, 580,110.35 and 184,221.75 is: 276,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,729.76 : 580,110.35 = 184,221.75 : x
  2. Step 2: Convert to fraction form
    386,729.76/580,110.35 = 184,221.75/x
  3. Step 3: Cross multiply
    386,729.76x = 580,110.35 × 184,221.75
  4. Step 4: Simplify right side
    386,729.76x = 106,868,943,870.11
  5. Step 5: Solve for x
    x = 106,868,943,870.11/386,729.76
  6. Step 6: Final answer
    x = 276,340.11

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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.