Home / 121,302.22-167,411.87-73,555.42

Finding the Fourth Proportional to 121,302.22, 167,411.87 and 73,555.42

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Solution

The fourth proportional to 121,302.22, 167,411.87 and 73,555.42 is: 101,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,302.22 : 167,411.87 = 73,555.42 : x
  2. Step 2: Convert to fraction form
    121,302.22/167,411.87 = 73,555.42/x
  3. Step 3: Cross multiply
    121,302.22x = 167,411.87 × 73,555.42
  4. Step 4: Simplify right side
    121,302.22x = 12,314,050,410.84
  5. Step 5: Solve for x
    x = 12,314,050,410.84/121,302.22
  6. Step 6: Final answer
    x = 101,515.46

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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.