Home / 132,926.32-199,389.46-39,431.26

Finding the Fourth Proportional to 132,926.32, 199,389.46 and 39,431.26

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Solution

The fourth proportional to 132,926.32, 199,389.46 and 39,431.26 is: 59,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,926.32 : 199,389.46 = 39,431.26 : x
  2. Step 2: Convert to fraction form
    132,926.32/199,389.46 = 39,431.26/x
  3. Step 3: Cross multiply
    132,926.32x = 199,389.46 × 39,431.26
  4. Step 4: Simplify right side
    132,926.32x = 7,862,177,638.52
  5. Step 5: Solve for x
    x = 7,862,177,638.52/132,926.32
  6. Step 6: Final answer
    x = 59,146.88

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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.