Home / 121,523.04-167,713.20-67,812.84

Finding the Fourth Proportional to 121,523.04, 167,713.20 and 67,812.84

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Solution

The fourth proportional to 121,523.04, 167,713.20 and 67,812.84 is: 93,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.04 : 167,713.20 = 67,812.84 : x
  2. Step 2: Convert to fraction form
    121,523.04/167,713.20 = 67,812.84/x
  3. Step 3: Cross multiply
    121,523.04x = 167,713.20 × 67,812.84
  4. Step 4: Simplify right side
    121,523.04x = 11,373,108,397.49
  5. Step 5: Solve for x
    x = 11,373,108,397.49/121,523.04
  6. Step 6: Final answer
    x = 93,588.08

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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.