Home / 115,540.68-158,946.60-94,273.32

Finding the Fourth Proportional to 115,540.68, 158,946.60 and 94,273.32

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Solution

The fourth proportional to 115,540.68, 158,946.60 and 94,273.32 is: 129,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,540.68 : 158,946.60 = 94,273.32 : x
  2. Step 2: Convert to fraction form
    115,540.68/158,946.60 = 94,273.32/x
  3. Step 3: Cross multiply
    115,540.68x = 158,946.60 × 94,273.32
  4. Step 4: Simplify right side
    115,540.68x = 14,984,423,684.71
  5. Step 5: Solve for x
    x = 14,984,423,684.71/115,540.68
  6. Step 6: Final answer
    x = 129,689.59

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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.