Home / 121,224.41-167,291.32-67,510.77

Finding the Fourth Proportional to 121,224.41, 167,291.32 and 67,510.77

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Solution

The fourth proportional to 121,224.41, 167,291.32 and 67,510.77 is: 93,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,224.41 : 167,291.32 = 67,510.77 : x
  2. Step 2: Convert to fraction form
    121,224.41/167,291.32 = 67,510.77/x
  3. Step 3: Cross multiply
    121,224.41x = 167,291.32 × 67,510.77
  4. Step 4: Simplify right side
    121,224.41x = 11,293,965,658.74
  5. Step 5: Solve for x
    x = 11,293,965,658.74/121,224.41
  6. Step 6: Final answer
    x = 93,165.78

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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.