Home / 147,379.44-220,905-58,609.20

Finding the Fourth Proportional to 147,379.44, 220,905 and 58,609.20

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Solution

The fourth proportional to 147,379.44, 220,905 and 58,609.20 is: 87,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,379.44 : 220,905 = 58,609.20 : x
  2. Step 2: Convert to fraction form
    147,379.44/220,905 = 58,609.20/x
  3. Step 3: Cross multiply
    147,379.44x = 220,905 × 58,609.20
  4. Step 4: Simplify right side
    147,379.44x = 12,947,065,326
  5. Step 5: Solve for x
    x = 12,947,065,326/147,379.44
  6. Step 6: Final answer
    x = 87,848.52

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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.