Home / 204,013.10-305,655.15-98,599.70

Finding the Fourth Proportional to 204,013.10, 305,655.15 and 98,599.70

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Solution

The fourth proportional to 204,013.10, 305,655.15 and 98,599.70 is: 147,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,013.10 : 305,655.15 = 98,599.70 : x
  2. Step 2: Convert to fraction form
    204,013.10/305,655.15 = 98,599.70/x
  3. Step 3: Cross multiply
    204,013.10x = 305,655.15 × 98,599.70
  4. Step 4: Simplify right side
    204,013.10x = 30,137,506,093.46
  5. Step 5: Solve for x
    x = 30,137,506,093.46/204,013.10
  6. Step 6: Final answer
    x = 147,723.39

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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.