Home / 147,041.76-220,545.09-40,436.54

Finding the Fourth Proportional to 147,041.76, 220,545.09 and 40,436.54

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Solution

The fourth proportional to 147,041.76, 220,545.09 and 40,436.54 is: 60,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,041.76 : 220,545.09 = 40,436.54 : x
  2. Step 2: Convert to fraction form
    147,041.76/220,545.09 = 40,436.54/x
  3. Step 3: Cross multiply
    147,041.76x = 220,545.09 × 40,436.54
  4. Step 4: Simplify right side
    147,041.76x = 8,918,080,353.59
  5. Step 5: Solve for x
    x = 8,918,080,353.59/147,041.76
  6. Step 6: Final answer
    x = 60,649.98

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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.