Home / 121,589.19-167,795.73-67,141.21

Finding the Fourth Proportional to 121,589.19, 167,795.73 and 67,141.21

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Solution

The fourth proportional to 121,589.19, 167,795.73 and 67,141.21 is: 92,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,589.19 : 167,795.73 = 67,141.21 : x
  2. Step 2: Convert to fraction form
    121,589.19/167,795.73 = 67,141.21/x
  3. Step 3: Cross multiply
    121,589.19x = 167,795.73 × 67,141.21
  4. Step 4: Simplify right side
    121,589.19x = 11,266,008,345.03
  5. Step 5: Solve for x
    x = 11,266,008,345.03/121,589.19
  6. Step 6: Final answer
    x = 92,656.33

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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.