Home / 167,539.04-231,205.15-91,058.16

Finding the Fourth Proportional to 167,539.04, 231,205.15 and 91,058.16

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Solution

The fourth proportional to 167,539.04, 231,205.15 and 91,058.16 is: 125,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,539.04 : 231,205.15 = 91,058.16 : x
  2. Step 2: Convert to fraction form
    167,539.04/231,205.15 = 91,058.16/x
  3. Step 3: Cross multiply
    167,539.04x = 231,205.15 × 91,058.16
  4. Step 4: Simplify right side
    167,539.04x = 21,053,115,541.52
  5. Step 5: Solve for x
    x = 21,053,115,541.52/167,539.04
  6. Step 6: Final answer
    x = 125,660.95

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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.