Home / 132,561.12-182,928.96-75,933.12

Finding the Fourth Proportional to 132,561.12, 182,928.96 and 75,933.12

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Solution

The fourth proportional to 132,561.12, 182,928.96 and 75,933.12 is: 104,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,561.12 : 182,928.96 = 75,933.12 : x
  2. Step 2: Convert to fraction form
    132,561.12/182,928.96 = 75,933.12/x
  3. Step 3: Cross multiply
    132,561.12x = 182,928.96 × 75,933.12
  4. Step 4: Simplify right side
    132,561.12x = 13,890,366,671.16
  5. Step 5: Solve for x
    x = 13,890,366,671.16/132,561.12
  6. Step 6: Final answer
    x = 104,784.62

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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.