Home / 106,221.69-146,580.30-58,465.85

Finding the Fourth Proportional to 106,221.69, 146,580.30 and 58,465.85

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Solution

The fourth proportional to 106,221.69, 146,580.30 and 58,465.85 is: 80,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,221.69 : 146,580.30 = 58,465.85 : x
  2. Step 2: Convert to fraction form
    106,221.69/146,580.30 = 58,465.85/x
  3. Step 3: Cross multiply
    106,221.69x = 146,580.30 × 58,465.85
  4. Step 4: Simplify right side
    106,221.69x = 8,569,941,099.85
  5. Step 5: Solve for x
    x = 8,569,941,099.85/106,221.69
  6. Step 6: Final answer
    x = 80,679.77

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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.