Home / 187,626.90-258,924.69-102,743.22

Finding the Fourth Proportional to 187,626.90, 258,924.69 and 102,743.22

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Solution

The fourth proportional to 187,626.90, 258,924.69 and 102,743.22 is: 141,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,626.90 : 258,924.69 = 102,743.22 : x
  2. Step 2: Convert to fraction form
    187,626.90/258,924.69 = 102,743.22/x
  3. Step 3: Cross multiply
    187,626.90x = 258,924.69 × 102,743.22
  4. Step 4: Simplify right side
    187,626.90x = 26,602,756,388.10
  5. Step 5: Solve for x
    x = 26,602,756,388.10/187,626.90
  6. Step 6: Final answer
    x = 141,785.41

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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.