Home / 105,641.08-158,462.40-26,755.56

Finding the Fourth Proportional to 105,641.08, 158,462.40 and 26,755.56

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Solution

The fourth proportional to 105,641.08, 158,462.40 and 26,755.56 is: 40,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,641.08 : 158,462.40 = 26,755.56 : x
  2. Step 2: Convert to fraction form
    105,641.08/158,462.40 = 26,755.56/x
  3. Step 3: Cross multiply
    105,641.08x = 158,462.40 × 26,755.56
  4. Step 4: Simplify right side
    105,641.08x = 4,239,750,250.94
  5. Step 5: Solve for x
    x = 4,239,750,250.94/105,641.08
  6. Step 6: Final answer
    x = 40,133.54

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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.