Home / 113,778.42-170,671.28-38,895.54

Finding the Fourth Proportional to 113,778.42, 170,671.28 and 38,895.54

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Solution

The fourth proportional to 113,778.42, 170,671.28 and 38,895.54 is: 58,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,778.42 : 170,671.28 = 38,895.54 : x
  2. Step 2: Convert to fraction form
    113,778.42/170,671.28 = 38,895.54/x
  3. Step 3: Cross multiply
    113,778.42x = 170,671.28 × 38,895.54
  4. Step 4: Simplify right side
    113,778.42x = 6,638,351,403.61
  5. Step 5: Solve for x
    x = 6,638,351,403.61/113,778.42
  6. Step 6: Final answer
    x = 58,344.56

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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.