Home / 132,949.44-183,470.48-72,520.16

Finding the Fourth Proportional to 132,949.44, 183,470.48 and 72,520.16

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Solution

The fourth proportional to 132,949.44, 183,470.48 and 72,520.16 is: 100,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,949.44 : 183,470.48 = 72,520.16 : x
  2. Step 2: Convert to fraction form
    132,949.44/183,470.48 = 72,520.16/x
  3. Step 3: Cross multiply
    132,949.44x = 183,470.48 × 72,520.16
  4. Step 4: Simplify right side
    132,949.44x = 13,305,308,564.88
  5. Step 5: Solve for x
    x = 13,305,308,564.88/132,949.44
  6. Step 6: Final answer
    x = 100,077.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.