Home / 121,262.58-167,344.14-70,279.08

Finding the Fourth Proportional to 121,262.58, 167,344.14 and 70,279.08

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Solution

The fourth proportional to 121,262.58, 167,344.14 and 70,279.08 is: 96,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,262.58 : 167,344.14 = 70,279.08 : x
  2. Step 2: Convert to fraction form
    121,262.58/167,344.14 = 70,279.08/x
  3. Step 3: Cross multiply
    121,262.58x = 167,344.14 × 70,279.08
  4. Step 4: Simplify right side
    121,262.58x = 11,760,792,202.59
  5. Step 5: Solve for x
    x = 11,760,792,202.59/121,262.58
  6. Step 6: Final answer
    x = 96,986.16

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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.