Home / 148,531.77-204,971.04-83,999.88

Finding the Fourth Proportional to 148,531.77, 204,971.04 and 83,999.88

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Solution

The fourth proportional to 148,531.77, 204,971.04 and 83,999.88 is: 115,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,531.77 : 204,971.04 = 83,999.88 : x
  2. Step 2: Convert to fraction form
    148,531.77/204,971.04 = 83,999.88/x
  3. Step 3: Cross multiply
    148,531.77x = 204,971.04 × 83,999.88
  4. Step 4: Simplify right side
    148,531.77x = 17,217,542,763.48
  5. Step 5: Solve for x
    x = 17,217,542,763.48/148,531.77
  6. Step 6: Final answer
    x = 115,918.25

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1.5x scale

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.