Home / 121,632.13-167,850.75-67,918.06

Finding the Fourth Proportional to 121,632.13, 167,850.75 and 67,918.06

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Solution

The fourth proportional to 121,632.13, 167,850.75 and 67,918.06 is: 93,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,632.13 : 167,850.75 = 67,918.06 : x
  2. Step 2: Convert to fraction form
    121,632.13/167,850.75 = 67,918.06/x
  3. Step 3: Cross multiply
    121,632.13x = 167,850.75 × 67,918.06
  4. Step 4: Simplify right side
    121,632.13x = 11,400,097,309.55
  5. Step 5: Solve for x
    x = 11,400,097,309.55/121,632.13
  6. Step 6: Final answer
    x = 93,726.04

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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.