Home / 132,779.28-199,227.78-69,584.38

Finding the Fourth Proportional to 132,779.28, 199,227.78 and 69,584.38

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Solution

The fourth proportional to 132,779.28, 199,227.78 and 69,584.38 is: 104,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779.28 : 199,227.78 = 69,584.38 : x
  2. Step 2: Convert to fraction form
    132,779.28/199,227.78 = 69,584.38/x
  3. Step 3: Cross multiply
    132,779.28x = 199,227.78 × 69,584.38
  4. Step 4: Simplify right side
    132,779.28x = 13,863,141,550.08
  5. Step 5: Solve for x
    x = 13,863,141,550.08/132,779.28
  6. Step 6: Final answer
    x = 104,407.42

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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.