Home / 121,263.82-167,321.87-67,547.50

Finding the Fourth Proportional to 121,263.82, 167,321.87 and 67,547.50

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Solution

The fourth proportional to 121,263.82, 167,321.87 and 67,547.50 is: 93,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,263.82 : 167,321.87 = 67,547.50 : x
  2. Step 2: Convert to fraction form
    121,263.82/167,321.87 = 67,547.50/x
  3. Step 3: Cross multiply
    121,263.82x = 167,321.87 × 67,547.50
  4. Step 4: Simplify right side
    121,263.82x = 11,302,173,676.09
  5. Step 5: Solve for x
    x = 11,302,173,676.09/121,263.82
  6. Step 6: Final answer
    x = 93,203.18

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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.