Home / 158,938.33-219,259.12-115,825.39

Finding the Fourth Proportional to 158,938.33, 219,259.12 and 115,825.39

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Solution

The fourth proportional to 158,938.33, 219,259.12 and 115,825.39 is: 159,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,938.33 : 219,259.12 = 115,825.39 : x
  2. Step 2: Convert to fraction form
    158,938.33/219,259.12 = 115,825.39/x
  3. Step 3: Cross multiply
    158,938.33x = 219,259.12 × 115,825.39
  4. Step 4: Simplify right side
    158,938.33x = 25,395,773,085.06
  5. Step 5: Solve for x
    x = 25,395,773,085.06/158,938.33
  6. Step 6: Final answer
    x = 159,783.82

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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.