Home / 132,983.16-199,308.12-66,441.84

Finding the Fourth Proportional to 132,983.16, 199,308.12 and 66,441.84

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Solution

The fourth proportional to 132,983.16, 199,308.12 and 66,441.84 is: 99,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.16 : 199,308.12 = 66,441.84 : x
  2. Step 2: Convert to fraction form
    132,983.16/199,308.12 = 66,441.84/x
  3. Step 3: Cross multiply
    132,983.16x = 199,308.12 × 66,441.84
  4. Step 4: Simplify right side
    132,983.16x = 13,242,398,219.74
  5. Step 5: Solve for x
    x = 13,242,398,219.74/132,983.16
  6. Step 6: Final answer
    x = 99,579.51

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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.