Home / 121,410.23-167,538.24-67,692.11

Finding the Fourth Proportional to 121,410.23, 167,538.24 and 67,692.11

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Solution

The fourth proportional to 121,410.23, 167,538.24 and 67,692.11 is: 93,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410.23 : 167,538.24 = 67,692.11 : x
  2. Step 2: Convert to fraction form
    121,410.23/167,538.24 = 67,692.11/x
  3. Step 3: Cross multiply
    121,410.23x = 167,538.24 × 67,692.11
  4. Step 4: Simplify right side
    121,410.23x = 11,341,016,133.60
  5. Step 5: Solve for x
    x = 11,341,016,133.60/121,410.23
  6. Step 6: Final answer
    x = 93,410.72

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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.