Home / 147,635.80-221,486.10-47,800.60

Finding the Fourth Proportional to 147,635.80, 221,486.10 and 47,800.60

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Solution

The fourth proportional to 147,635.80, 221,486.10 and 47,800.60 is: 71,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,635.80 : 221,486.10 = 47,800.60 : x
  2. Step 2: Convert to fraction form
    147,635.80/221,486.10 = 47,800.60/x
  3. Step 3: Cross multiply
    147,635.80x = 221,486.10 × 47,800.60
  4. Step 4: Simplify right side
    147,635.80x = 10,587,168,471.66
  5. Step 5: Solve for x
    x = 10,587,168,471.66/147,635.80
  6. Step 6: Final answer
    x = 71,711.39

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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.