Home / 150,650.24-207,875.84-90,206.72

Finding the Fourth Proportional to 150,650.24, 207,875.84 and 90,206.72

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Solution

The fourth proportional to 150,650.24, 207,875.84 and 90,206.72 is: 124,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,650.24 : 207,875.84 = 90,206.72 : x
  2. Step 2: Convert to fraction form
    150,650.24/207,875.84 = 90,206.72/x
  3. Step 3: Cross multiply
    150,650.24x = 207,875.84 × 90,206.72
  4. Step 4: Simplify right side
    150,650.24x = 18,751,797,693.64
  5. Step 5: Solve for x
    x = 18,751,797,693.64/150,650.24
  6. Step 6: Final answer
    x = 124,472.41

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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.