Home / 218,438.42-327,785.02-92,070.94

Finding the Fourth Proportional to 218,438.42, 327,785.02 and 92,070.94

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Solution

The fourth proportional to 218,438.42, 327,785.02 and 92,070.94 is: 138,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,438.42 : 327,785.02 = 92,070.94 : x
  2. Step 2: Convert to fraction form
    218,438.42/327,785.02 = 92,070.94/x
  3. Step 3: Cross multiply
    218,438.42x = 327,785.02 × 92,070.94
  4. Step 4: Simplify right side
    218,438.42x = 30,179,474,909.32
  5. Step 5: Solve for x
    x = 30,179,474,909.32/218,438.42
  6. Step 6: Final answer
    x = 138,160.10

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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.