Home / 109,606.68-151,242.03-61,202.70

Finding the Fourth Proportional to 109,606.68, 151,242.03 and 61,202.70

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Solution

The fourth proportional to 109,606.68, 151,242.03 and 61,202.70 is: 84,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,606.68 : 151,242.03 = 61,202.70 : x
  2. Step 2: Convert to fraction form
    109,606.68/151,242.03 = 61,202.70/x
  3. Step 3: Cross multiply
    109,606.68x = 151,242.03 × 61,202.70
  4. Step 4: Simplify right side
    109,606.68x = 9,256,420,589.48
  5. Step 5: Solve for x
    x = 9,256,420,589.48/109,606.68
  6. Step 6: Final answer
    x = 84,451.25

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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.