Home / 170,755.49-235,659.31-99,131.24

Finding the Fourth Proportional to 170,755.49, 235,659.31 and 99,131.24

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Solution

The fourth proportional to 170,755.49, 235,659.31 and 99,131.24 is: 136,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,755.49 : 235,659.31 = 99,131.24 : x
  2. Step 2: Convert to fraction form
    170,755.49/235,659.31 = 99,131.24/x
  3. Step 3: Cross multiply
    170,755.49x = 235,659.31 × 99,131.24
  4. Step 4: Simplify right side
    170,755.49x = 23,361,199,959.16
  5. Step 5: Solve for x
    x = 23,361,199,959.16/170,755.49
  6. Step 6: Final answer
    x = 136,810.83

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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.