Home / 98,325.38-147,511.76-28,204.08

Finding the Fourth Proportional to 98,325.38, 147,511.76 and 28,204.08

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Solution

The fourth proportional to 98,325.38, 147,511.76 and 28,204.08 is: 42,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,325.38 : 147,511.76 = 28,204.08 : x
  2. Step 2: Convert to fraction form
    98,325.38/147,511.76 = 28,204.08/x
  3. Step 3: Cross multiply
    98,325.38x = 147,511.76 × 28,204.08
  4. Step 4: Simplify right side
    98,325.38x = 4,160,433,338.96
  5. Step 5: Solve for x
    x = 4,160,433,338.96/98,325.38
  6. Step 6: Final answer
    x = 42,312.92

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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.