Home / 121,137.14-167,167.58-67,422.18

Finding the Fourth Proportional to 121,137.14, 167,167.58 and 67,422.18

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Solution

The fourth proportional to 121,137.14, 167,167.58 and 67,422.18 is: 93,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,137.14 : 167,167.58 = 67,422.18 : x
  2. Step 2: Convert to fraction form
    121,137.14/167,167.58 = 67,422.18/x
  3. Step 3: Cross multiply
    121,137.14x = 167,167.58 × 67,422.18
  4. Step 4: Simplify right side
    121,137.14x = 11,270,802,668.92
  5. Step 5: Solve for x
    x = 11,270,802,668.92/121,137.14
  6. Step 6: Final answer
    x = 93,041.68

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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.