Home / 189,515.92-261,428.46-132,064.24

Finding the Fourth Proportional to 189,515.92, 261,428.46 and 132,064.24

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Solution

The fourth proportional to 189,515.92, 261,428.46 and 132,064.24 is: 182,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,515.92 : 261,428.46 = 132,064.24 : x
  2. Step 2: Convert to fraction form
    189,515.92/261,428.46 = 132,064.24/x
  3. Step 3: Cross multiply
    189,515.92x = 261,428.46 × 132,064.24
  4. Step 4: Simplify right side
    189,515.92x = 34,525,350,884.27
  5. Step 5: Solve for x
    x = 34,525,350,884.27/189,515.92
  6. Step 6: Final answer
    x = 182,176.52

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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.