Home / 121,341.12-167,450.08-67,628.48

Finding the Fourth Proportional to 121,341.12, 167,450.08 and 67,628.48

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Solution

The fourth proportional to 121,341.12, 167,450.08 and 67,628.48 is: 93,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,341.12 : 167,450.08 = 67,628.48 : x
  2. Step 2: Convert to fraction form
    121,341.12/167,450.08 = 67,628.48/x
  3. Step 3: Cross multiply
    121,341.12x = 167,450.08 × 67,628.48
  4. Step 4: Simplify right side
    121,341.12x = 11,324,394,386.28
  5. Step 5: Solve for x
    x = 11,324,394,386.28/121,341.12
  6. Step 6: Final answer
    x = 93,326.93

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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.