Home / 123,666.70-185,507.23-34,912.78

Finding the Fourth Proportional to 123,666.70, 185,507.23 and 34,912.78

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Solution

The fourth proportional to 123,666.70, 185,507.23 and 34,912.78 is: 52,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,666.70 : 185,507.23 = 34,912.78 : x
  2. Step 2: Convert to fraction form
    123,666.70/185,507.23 = 34,912.78/x
  3. Step 3: Cross multiply
    123,666.70x = 185,507.23 × 34,912.78
  4. Step 4: Simplify right side
    123,666.70x = 6,476,572,181.86
  5. Step 5: Solve for x
    x = 6,476,572,181.86/123,666.70
  6. Step 6: Final answer
    x = 52,371.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.