Home / 185,667.03-256,226.25-109,172.31

Finding the Fourth Proportional to 185,667.03, 256,226.25 and 109,172.31

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Solution

The fourth proportional to 185,667.03, 256,226.25 and 109,172.31 is: 150,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,667.03 : 256,226.25 = 109,172.31 : x
  2. Step 2: Convert to fraction form
    185,667.03/256,226.25 = 109,172.31/x
  3. Step 3: Cross multiply
    185,667.03x = 256,226.25 × 109,172.31
  4. Step 4: Simplify right side
    185,667.03x = 27,972,811,595.14
  5. Step 5: Solve for x
    x = 27,972,811,595.14/185,667.03
  6. Step 6: Final answer
    x = 150,661.17

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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.