Home / 121,023.18-167,014.35-67,308.30

Finding the Fourth Proportional to 121,023.18, 167,014.35 and 67,308.30

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Solution

The fourth proportional to 121,023.18, 167,014.35 and 67,308.30 is: 92,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,023.18 : 167,014.35 = 67,308.30 : x
  2. Step 2: Convert to fraction form
    121,023.18/167,014.35 = 67,308.30/x
  3. Step 3: Cross multiply
    121,023.18x = 167,014.35 × 67,308.30
  4. Step 4: Simplify right side
    121,023.18x = 11,241,451,974.11
  5. Step 5: Solve for x
    x = 11,241,451,974.11/121,023.18
  6. Step 6: Final answer
    x = 92,886.77

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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.