Home / 105,937.40-158,906.36-25,975.72

Finding the Fourth Proportional to 105,937.40, 158,906.36 and 25,975.72

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Solution

The fourth proportional to 105,937.40, 158,906.36 and 25,975.72 is: 38,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,937.40 : 158,906.36 = 25,975.72 : x
  2. Step 2: Convert to fraction form
    105,937.40/158,906.36 = 25,975.72/x
  3. Step 3: Cross multiply
    105,937.40x = 158,906.36 × 25,975.72
  4. Step 4: Simplify right side
    105,937.40x = 4,127,707,377.15
  5. Step 5: Solve for x
    x = 4,127,707,377.15/105,937.40
  6. Step 6: Final answer
    x = 38,963.65

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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.