Home / 121,009.11-167,008.14-73,263.30

Finding the Fourth Proportional to 121,009.11, 167,008.14 and 73,263.30

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Solution

The fourth proportional to 121,009.11, 167,008.14 and 73,263.30 is: 101,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,009.11 : 167,008.14 = 73,263.30 : x
  2. Step 2: Convert to fraction form
    121,009.11/167,008.14 = 73,263.30/x
  3. Step 3: Cross multiply
    121,009.11x = 167,008.14 × 73,263.30
  4. Step 4: Simplify right side
    121,009.11x = 12,235,567,463.26
  5. Step 5: Solve for x
    x = 12,235,567,463.26/121,009.11
  6. Step 6: Final answer
    x = 101,112.78

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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.