Home / 150,110.08-207,118.02-89,668.92

Finding the Fourth Proportional to 150,110.08, 207,118.02 and 89,668.92

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Solution

The fourth proportional to 150,110.08, 207,118.02 and 89,668.92 is: 123,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,110.08 : 207,118.02 = 89,668.92 : x
  2. Step 2: Convert to fraction form
    150,110.08/207,118.02 = 89,668.92/x
  3. Step 3: Cross multiply
    150,110.08x = 207,118.02 × 89,668.92
  4. Step 4: Simplify right side
    150,110.08x = 18,572,049,165.94
  5. Step 5: Solve for x
    x = 18,572,049,165.94/150,110.08
  6. Step 6: Final answer
    x = 123,722.87

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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.