Home / 121,406.49-167,671.62-92,416.86

Finding the Fourth Proportional to 121,406.49, 167,671.62 and 92,416.86

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Solution

The fourth proportional to 121,406.49, 167,671.62 and 92,416.86 is: 127,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,406.49 : 167,671.62 = 92,416.86 : x
  2. Step 2: Convert to fraction form
    121,406.49/167,671.62 = 92,416.86/x
  3. Step 3: Cross multiply
    121,406.49x = 167,671.62 × 92,416.86
  4. Step 4: Simplify right side
    121,406.49x = 15,495,684,631.51
  5. Step 5: Solve for x
    x = 15,495,684,631.51/121,406.49
  6. Step 6: Final answer
    x = 127,634.73

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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.