Home / 157,190.26-216,914.87-89,213.51

Finding the Fourth Proportional to 157,190.26, 216,914.87 and 89,213.51

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Solution

The fourth proportional to 157,190.26, 216,914.87 and 89,213.51 is: 123,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,190.26 : 216,914.87 = 89,213.51 : x
  2. Step 2: Convert to fraction form
    157,190.26/216,914.87 = 89,213.51/x
  3. Step 3: Cross multiply
    157,190.26x = 216,914.87 × 89,213.51
  4. Step 4: Simplify right side
    157,190.26x = 19,351,736,923.89
  5. Step 5: Solve for x
    x = 19,351,736,923.89/157,190.26
  6. Step 6: Final answer
    x = 123,110.28

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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.