Home / 121,014.24-167,000.40-67,304.40

Finding the Fourth Proportional to 121,014.24, 167,000.40 and 67,304.40

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Solution

The fourth proportional to 121,014.24, 167,000.40 and 67,304.40 is: 92,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014.24 : 167,000.40 = 67,304.40 : x
  2. Step 2: Convert to fraction form
    121,014.24/167,000.40 = 67,304.40/x
  3. Step 3: Cross multiply
    121,014.24x = 167,000.40 × 67,304.40
  4. Step 4: Simplify right side
    121,014.24x = 11,239,861,721.76
  5. Step 5: Solve for x
    x = 11,239,861,721.76/121,014.24
  6. Step 6: Final answer
    x = 92,880.49

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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.