Home / 147,040.71-220,540.19-47,187.96

Finding the Fourth Proportional to 147,040.71, 220,540.19 and 47,187.96

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Solution

The fourth proportional to 147,040.71, 220,540.19 and 47,187.96 is: 70,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,040.71 : 220,540.19 = 47,187.96 : x
  2. Step 2: Convert to fraction form
    147,040.71/220,540.19 = 47,187.96/x
  3. Step 3: Cross multiply
    147,040.71x = 220,540.19 × 47,187.96
  4. Step 4: Simplify right side
    147,040.71x = 10,406,841,664.11
  5. Step 5: Solve for x
    x = 10,406,841,664.11/147,040.71
  6. Step 6: Final answer
    x = 70,775.24

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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.