Home / 157,727.70-217,667.52-86,110.74

Finding the Fourth Proportional to 157,727.70, 217,667.52 and 86,110.74

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Solution

The fourth proportional to 157,727.70, 217,667.52 and 86,110.74 is: 118,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,727.70 : 217,667.52 = 86,110.74 : x
  2. Step 2: Convert to fraction form
    157,727.70/217,667.52 = 86,110.74/x
  3. Step 3: Cross multiply
    157,727.70x = 217,667.52 × 86,110.74
  4. Step 4: Simplify right side
    157,727.70x = 18,743,511,221.16
  5. Step 5: Solve for x
    x = 18,743,511,221.16/157,727.70
  6. Step 6: Final answer
    x = 118,834.62

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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.