Home / 147,402.68-221,147.39-47,561.00

Finding the Fourth Proportional to 147,402.68, 221,147.39 and 47,561.00

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Solution

The fourth proportional to 147,402.68, 221,147.39 and 47,561.00 is: 71,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,402.68 : 221,147.39 = 47,561.00 : x
  2. Step 2: Convert to fraction form
    147,402.68/221,147.39 = 47,561.00/x
  3. Step 3: Cross multiply
    147,402.68x = 221,147.39 × 47,561.00
  4. Step 4: Simplify right side
    147,402.68x = 10,517,990,028.96
  5. Step 5: Solve for x
    x = 10,517,990,028.96/147,402.68
  6. Step 6: Final answer
    x = 71,355.49

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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.