Home / 121,247.01-167,316.54-67,529.13

Finding the Fourth Proportional to 121,247.01, 167,316.54 and 67,529.13

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Solution

The fourth proportional to 121,247.01, 167,316.54 and 67,529.13 is: 93,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,247.01 : 167,316.54 = 67,529.13 : x
  2. Step 2: Convert to fraction form
    121,247.01/167,316.54 = 67,529.13/x
  3. Step 3: Cross multiply
    121,247.01x = 167,316.54 × 67,529.13
  4. Step 4: Simplify right side
    121,247.01x = 11,298,739,500.14
  5. Step 5: Solve for x
    x = 11,298,739,500.14/121,247.01
  6. Step 6: Final answer
    x = 93,187.78

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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.