Home / 150,107.36-207,114.24-89,666.18

Finding the Fourth Proportional to 150,107.36, 207,114.24 and 89,666.18

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Solution

The fourth proportional to 150,107.36, 207,114.24 and 89,666.18 is: 123,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,107.36 : 207,114.24 = 89,666.18 : x
  2. Step 2: Convert to fraction form
    150,107.36/207,114.24 = 89,666.18/x
  3. Step 3: Cross multiply
    150,107.36x = 207,114.24 × 89,666.18
  4. Step 4: Simplify right side
    150,107.36x = 18,571,141,688.83
  5. Step 5: Solve for x
    x = 18,571,141,688.83/150,107.36
  6. Step 6: Final answer
    x = 123,719.06

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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.