Home / 110,221.21-152,117.17-62,469.43

Finding the Fourth Proportional to 110,221.21, 152,117.17 and 62,469.43

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Solution

The fourth proportional to 110,221.21, 152,117.17 and 62,469.43 is: 86,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.21 : 152,117.17 = 62,469.43 : x
  2. Step 2: Convert to fraction form
    110,221.21/152,117.17 = 62,469.43/x
  3. Step 3: Cross multiply
    110,221.21x = 152,117.17 × 62,469.43
  4. Step 4: Simplify right side
    110,221.21x = 9,502,673,127.23
  5. Step 5: Solve for x
    x = 9,502,673,127.23/110,221.21
  6. Step 6: Final answer
    x = 86,214.56

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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.