Home / 123,236.93-170,074.83-69,502.34

Finding the Fourth Proportional to 123,236.93, 170,074.83 and 69,502.34

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Solution

The fourth proportional to 123,236.93, 170,074.83 and 69,502.34 is: 95,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,236.93 : 170,074.83 = 69,502.34 : x
  2. Step 2: Convert to fraction form
    123,236.93/170,074.83 = 69,502.34/x
  3. Step 3: Cross multiply
    123,236.93x = 170,074.83 × 69,502.34
  4. Step 4: Simplify right side
    123,236.93x = 11,820,598,660.10
  5. Step 5: Solve for x
    x = 11,820,598,660.10/123,236.93
  6. Step 6: Final answer
    x = 95,917.67

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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.