Home / 106,150.16-146,490.64-58,408.72

Finding the Fourth Proportional to 106,150.16, 146,490.64 and 58,408.72

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Solution

The fourth proportional to 106,150.16, 146,490.64 and 58,408.72 is: 80,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,150.16 : 146,490.64 = 58,408.72 : x
  2. Step 2: Convert to fraction form
    106,150.16/146,490.64 = 58,408.72/x
  3. Step 3: Cross multiply
    106,150.16x = 146,490.64 × 58,408.72
  4. Step 4: Simplify right side
    106,150.16x = 8,556,330,774.38
  5. Step 5: Solve for x
    x = 8,556,330,774.38/106,150.16
  6. Step 6: Final answer
    x = 80,605.92

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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.