Home / 106,155.55-146,494.13-58,408.68

Finding the Fourth Proportional to 106,155.55, 146,494.13 and 58,408.68

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Solution

The fourth proportional to 106,155.55, 146,494.13 and 58,408.68 is: 80,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,155.55 : 146,494.13 = 58,408.68 : x
  2. Step 2: Convert to fraction form
    106,155.55/146,494.13 = 58,408.68/x
  3. Step 3: Cross multiply
    106,155.55x = 146,494.13 × 58,408.68
  4. Step 4: Simplify right side
    106,155.55x = 8,556,528,761.05
  5. Step 5: Solve for x
    x = 8,556,528,761.05/106,155.55
  6. Step 6: Final answer
    x = 80,603.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.