Home / 121,233.41-167,295.51-66,774.98

Finding the Fourth Proportional to 121,233.41, 167,295.51 and 66,774.98

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Solution

The fourth proportional to 121,233.41, 167,295.51 and 66,774.98 is: 92,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,233.41 : 167,295.51 = 66,774.98 : x
  2. Step 2: Convert to fraction form
    121,233.41/167,295.51 = 66,774.98/x
  3. Step 3: Cross multiply
    121,233.41x = 167,295.51 × 66,774.98
  4. Step 4: Simplify right side
    121,233.41x = 11,171,153,497.86
  5. Step 5: Solve for x
    x = 11,171,153,497.86/121,233.41
  6. Step 6: Final answer
    x = 92,145.84

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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.