Home / 98,186.98-147,281.19-28,067.14

Finding the Fourth Proportional to 98,186.98, 147,281.19 and 28,067.14

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Solution

The fourth proportional to 98,186.98, 147,281.19 and 28,067.14 is: 42,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,186.98 : 147,281.19 = 28,067.14 : x
  2. Step 2: Convert to fraction form
    98,186.98/147,281.19 = 28,067.14/x
  3. Step 3: Cross multiply
    98,186.98x = 147,281.19 × 28,067.14
  4. Step 4: Simplify right side
    98,186.98x = 4,133,761,779.10
  5. Step 5: Solve for x
    x = 4,133,761,779.10/98,186.98
  6. Step 6: Final answer
    x = 42,100.92

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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.