Home / 121,301.40-167,392.32-67,583.12

Finding the Fourth Proportional to 121,301.40, 167,392.32 and 67,583.12

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Solution

The fourth proportional to 121,301.40, 167,392.32 and 67,583.12 is: 93,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,301.40 : 167,392.32 = 67,583.12 : x
  2. Step 2: Convert to fraction form
    121,301.40/167,392.32 = 67,583.12/x
  3. Step 3: Cross multiply
    121,301.40x = 167,392.32 × 67,583.12
  4. Step 4: Simplify right side
    121,301.40x = 11,312,895,249.64
  5. Step 5: Solve for x
    x = 11,312,895,249.64/121,301.40
  6. Step 6: Final answer
    x = 93,262.69

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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.