Home / 147,388.20-221,125.37-47,546.19

Finding the Fourth Proportional to 147,388.20, 221,125.37 and 47,546.19

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Solution

The fourth proportional to 147,388.20, 221,125.37 and 47,546.19 is: 71,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.20 : 221,125.37 = 47,546.19 : x
  2. Step 2: Convert to fraction form
    147,388.20/221,125.37 = 47,546.19/x
  3. Step 3: Cross multiply
    147,388.20x = 221,125.37 × 47,546.19
  4. Step 4: Simplify right side
    147,388.20x = 10,513,668,618.11
  5. Step 5: Solve for x
    x = 10,513,668,618.11/147,388.20
  6. Step 6: Final answer
    x = 71,333.18

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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.