Home / 121,544.17-167,740.23-67,106.84

Finding the Fourth Proportional to 121,544.17, 167,740.23 and 67,106.84

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Solution

The fourth proportional to 121,544.17, 167,740.23 and 67,106.84 is: 92,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,544.17 : 167,740.23 = 67,106.84 : x
  2. Step 2: Convert to fraction form
    121,544.17/167,740.23 = 67,106.84/x
  3. Step 3: Cross multiply
    121,544.17x = 167,740.23 × 67,106.84
  4. Step 4: Simplify right side
    121,544.17x = 11,256,515,937.47
  5. Step 5: Solve for x
    x = 11,256,515,937.47/121,544.17
  6. Step 6: Final answer
    x = 92,612.56

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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.