Home / 106,221.90-146,590.40-58,479.69

Finding the Fourth Proportional to 106,221.90, 146,590.40 and 58,479.69

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Solution

The fourth proportional to 106,221.90, 146,590.40 and 58,479.69 is: 80,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,221.90 : 146,590.40 = 58,479.69 : x
  2. Step 2: Convert to fraction form
    106,221.90/146,590.40 = 58,479.69/x
  3. Step 3: Cross multiply
    106,221.90x = 146,590.40 × 58,479.69
  4. Step 4: Simplify right side
    106,221.90x = 8,572,561,295.18
  5. Step 5: Solve for x
    x = 8,572,561,295.18/106,221.90
  6. Step 6: Final answer
    x = 80,704.27

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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.