Home / 157,727.52-217,667.27-86,110.56

Finding the Fourth Proportional to 157,727.52, 217,667.27 and 86,110.56

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Solution

The fourth proportional to 157,727.52, 217,667.27 and 86,110.56 is: 118,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,727.52 : 217,667.27 = 86,110.56 : x
  2. Step 2: Convert to fraction form
    157,727.52/217,667.27 = 86,110.56/x
  3. Step 3: Cross multiply
    157,727.52x = 217,667.27 × 86,110.56
  4. Step 4: Simplify right side
    157,727.52x = 18,743,450,082.82
  5. Step 5: Solve for x
    x = 18,743,450,082.82/157,727.52
  6. Step 6: Final answer
    x = 118,834.37

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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.