Home / 147,243.67-220,886.39-47,380.66

Finding the Fourth Proportional to 147,243.67, 220,886.39 and 47,380.66

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Solution

The fourth proportional to 147,243.67, 220,886.39 and 47,380.66 is: 71,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,243.67 : 220,886.39 = 47,380.66 : x
  2. Step 2: Convert to fraction form
    147,243.67/220,886.39 = 47,380.66/x
  3. Step 3: Cross multiply
    147,243.67x = 220,886.39 × 47,380.66
  4. Step 4: Simplify right side
    147,243.67x = 10,465,742,943.22
  5. Step 5: Solve for x
    x = 10,465,742,943.22/147,243.67
  6. Step 6: Final answer
    x = 71,077.71

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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.