Home / 105,408.18-157,360.82-101,716.74

Finding the Fourth Proportional to 105,408.18, 157,360.82 and 101,716.74

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Solution

The fourth proportional to 105,408.18, 157,360.82 and 101,716.74 is: 151,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,408.18 : 157,360.82 = 101,716.74 : x
  2. Step 2: Convert to fraction form
    105,408.18/157,360.82 = 101,716.74/x
  3. Step 3: Cross multiply
    105,408.18x = 157,360.82 × 101,716.74
  4. Step 4: Simplify right side
    105,408.18x = 16,006,229,105.54
  5. Step 5: Solve for x
    x = 16,006,229,105.54/105,408.18
  6. Step 6: Final answer
    x = 151,849.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.