Home / 153,258.30-229,996.80-86,627.70

Finding the Fourth Proportional to 153,258.30, 229,996.80 and 86,627.70

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Solution

The fourth proportional to 153,258.30, 229,996.80 and 86,627.70 is: 130,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,258.30 : 229,996.80 = 86,627.70 : x
  2. Step 2: Convert to fraction form
    153,258.30/229,996.80 = 86,627.70/x
  3. Step 3: Cross multiply
    153,258.30x = 229,996.80 × 86,627.70
  4. Step 4: Simplify right side
    153,258.30x = 19,924,093,791.36
  5. Step 5: Solve for x
    x = 19,924,093,791.36/153,258.30
  6. Step 6: Final answer
    x = 130,003.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.