Home / 157,441.05-217,260.44-89,448.59

Finding the Fourth Proportional to 157,441.05, 217,260.44 and 89,448.59

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Solution

The fourth proportional to 157,441.05, 217,260.44 and 89,448.59 is: 123,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,441.05 : 217,260.44 = 89,448.59 : x
  2. Step 2: Convert to fraction form
    157,441.05/217,260.44 = 89,448.59/x
  3. Step 3: Cross multiply
    157,441.05x = 217,260.44 × 89,448.59
  4. Step 4: Simplify right side
    157,441.05x = 19,433,640,020.78
  5. Step 5: Solve for x
    x = 19,433,640,020.78/157,441.05
  6. Step 6: Final answer
    x = 123,434.39

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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.