Home / 187,984.72-259,422.24-103,101.04

Finding the Fourth Proportional to 187,984.72, 259,422.24 and 103,101.04

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Solution

The fourth proportional to 187,984.72, 259,422.24 and 103,101.04 is: 142,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,984.72 : 259,422.24 = 103,101.04 : x
  2. Step 2: Convert to fraction form
    187,984.72/259,422.24 = 103,101.04/x
  3. Step 3: Cross multiply
    187,984.72x = 259,422.24 × 103,101.04
  4. Step 4: Simplify right side
    187,984.72x = 26,746,702,743.13
  5. Step 5: Solve for x
    x = 26,746,702,743.13/187,984.72
  6. Step 6: Final answer
    x = 142,281.26

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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.