Home / 150,161.28-207,132.47-99,174.11

Finding the Fourth Proportional to 150,161.28, 207,132.47 and 99,174.11

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Solution

The fourth proportional to 150,161.28, 207,132.47 and 99,174.11 is: 136,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,161.28 : 207,132.47 = 99,174.11 : x
  2. Step 2: Convert to fraction form
    150,161.28/207,132.47 = 99,174.11/x
  3. Step 3: Cross multiply
    150,161.28x = 207,132.47 × 99,174.11
  4. Step 4: Simplify right side
    150,161.28x = 20,542,178,364.35
  5. Step 5: Solve for x
    x = 20,542,178,364.35/150,161.28
  6. Step 6: Final answer
    x = 136,800.77

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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.