Home / 105,456.61-158,173.21-26,570.83

Finding the Fourth Proportional to 105,456.61, 158,173.21 and 26,570.83

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Solution

The fourth proportional to 105,456.61, 158,173.21 and 26,570.83 is: 39,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,456.61 : 158,173.21 = 26,570.83 : x
  2. Step 2: Convert to fraction form
    105,456.61/158,173.21 = 26,570.83/x
  3. Step 3: Cross multiply
    105,456.61x = 158,173.21 × 26,570.83
  4. Step 4: Simplify right side
    105,456.61x = 4,202,793,473.46
  5. Step 5: Solve for x
    x = 4,202,793,473.46/105,456.61
  6. Step 6: Final answer
    x = 39,853.30

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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.