Home / 147,166.20-220,749.30-72,334.35

Finding the Fourth Proportional to 147,166.20, 220,749.30 and 72,334.35

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Solution

The fourth proportional to 147,166.20, 220,749.30 and 72,334.35 is: 108,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,166.20 : 220,749.30 = 72,334.35 : x
  2. Step 2: Convert to fraction form
    147,166.20/220,749.30 = 72,334.35/x
  3. Step 3: Cross multiply
    147,166.20x = 220,749.30 × 72,334.35
  4. Step 4: Simplify right side
    147,166.20x = 15,967,757,128.46
  5. Step 5: Solve for x
    x = 15,967,757,128.46/147,166.20
  6. Step 6: Final answer
    x = 108,501.53

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Similar ratio
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1.5x scale

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.