Home / 214,867.09-296,534.25-138,545.06

Finding the Fourth Proportional to 214,867.09, 296,534.25 and 138,545.06

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Solution

The fourth proportional to 214,867.09, 296,534.25 and 138,545.06 is: 191,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,867.09 : 296,534.25 = 138,545.06 : x
  2. Step 2: Convert to fraction form
    214,867.09/296,534.25 = 138,545.06/x
  3. Step 3: Cross multiply
    214,867.09x = 296,534.25 × 138,545.06
  4. Step 4: Simplify right side
    214,867.09x = 41,083,356,393.90
  5. Step 5: Solve for x
    x = 41,083,356,393.90/214,867.09
  6. Step 6: Final answer
    x = 191,203.58

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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.