Home / 132,991.30-199,320.63-66,450.16

Finding the Fourth Proportional to 132,991.30, 199,320.63 and 66,450.16

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Solution

The fourth proportional to 132,991.30, 199,320.63 and 66,450.16 is: 99,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991.30 : 199,320.63 = 66,450.16 : x
  2. Step 2: Convert to fraction form
    132,991.30/199,320.63 = 66,450.16/x
  3. Step 3: Cross multiply
    132,991.30x = 199,320.63 × 66,450.16
  4. Step 4: Simplify right side
    132,991.30x = 13,244,887,754.80
  5. Step 5: Solve for x
    x = 13,244,887,754.80/132,991.30
  6. Step 6: Final answer
    x = 99,592.14

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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.