Home / 224,009.12-336,079.35-66,241.70

Finding the Fourth Proportional to 224,009.12, 336,079.35 and 66,241.70

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Solution

The fourth proportional to 224,009.12, 336,079.35 and 66,241.70 is: 99,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,009.12 : 336,079.35 = 66,241.70 : x
  2. Step 2: Convert to fraction form
    224,009.12/336,079.35 = 66,241.70/x
  3. Step 3: Cross multiply
    224,009.12x = 336,079.35 × 66,241.70
  4. Step 4: Simplify right side
    224,009.12x = 22,262,467,478.90
  5. Step 5: Solve for x
    x = 22,262,467,478.90/224,009.12
  6. Step 6: Final answer
    x = 99,381.97

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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.