Home / 218,356.32-327,009.60-124,577.76

Finding the Fourth Proportional to 218,356.32, 327,009.60 and 124,577.76

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Solution

The fourth proportional to 218,356.32, 327,009.60 and 124,577.76 is: 186,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,356.32 : 327,009.60 = 124,577.76 : x
  2. Step 2: Convert to fraction form
    218,356.32/327,009.60 = 124,577.76/x
  3. Step 3: Cross multiply
    218,356.32x = 327,009.60 × 124,577.76
  4. Step 4: Simplify right side
    218,356.32x = 40,738,123,466.50
  5. Step 5: Solve for x
    x = 40,738,123,466.50/218,356.32
  6. Step 6: Final answer
    x = 186,567.18

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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.