Home / 105,630.93-158,444.90-25,669.49

Finding the Fourth Proportional to 105,630.93, 158,444.90 and 25,669.49

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Solution

The fourth proportional to 105,630.93, 158,444.90 and 25,669.49 is: 38,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,630.93 : 158,444.90 = 25,669.49 : x
  2. Step 2: Convert to fraction form
    105,630.93/158,444.90 = 25,669.49/x
  3. Step 3: Cross multiply
    105,630.93x = 158,444.90 × 25,669.49
  4. Step 4: Simplify right side
    105,630.93x = 4,067,198,855.53
  5. Step 5: Solve for x
    x = 4,067,198,855.53/105,630.93
  6. Step 6: Final answer
    x = 38,503.86

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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.