Home / 150,366-207,505.08-89,939.19

Finding the Fourth Proportional to 150,366, 207,505.08 and 89,939.19

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Solution

The fourth proportional to 150,366, 207,505.08 and 89,939.19 is: 124,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,366 : 207,505.08 = 89,939.19 : x
  2. Step 2: Convert to fraction form
    150,366/207,505.08 = 89,939.19/x
  3. Step 3: Cross multiply
    150,366x = 207,505.08 × 89,939.19
  4. Step 4: Simplify right side
    150,366x = 18,662,838,816.09
  5. Step 5: Solve for x
    x = 18,662,838,816.09/150,366
  6. Step 6: Final answer
    x = 124,116.08

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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.