Home / 188,837.34-260,585.91-103,938.06

Finding the Fourth Proportional to 188,837.34, 260,585.91 and 103,938.06

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Solution

The fourth proportional to 188,837.34, 260,585.91 and 103,938.06 is: 143,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,837.34 : 260,585.91 = 103,938.06 : x
  2. Step 2: Convert to fraction form
    188,837.34/260,585.91 = 103,938.06/x
  3. Step 3: Cross multiply
    188,837.34x = 260,585.91 × 103,938.06
  4. Step 4: Simplify right side
    188,837.34x = 27,084,793,948.73
  5. Step 5: Solve for x
    x = 27,084,793,948.73/188,837.34
  6. Step 6: Final answer
    x = 143,429.23

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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.