Home / 150,899.67-208,247.18-90,480.15

Finding the Fourth Proportional to 150,899.67, 208,247.18 and 90,480.15

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Solution

The fourth proportional to 150,899.67, 208,247.18 and 90,480.15 is: 124,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,899.67 : 208,247.18 = 90,480.15 : x
  2. Step 2: Convert to fraction form
    150,899.67/208,247.18 = 90,480.15/x
  3. Step 3: Cross multiply
    150,899.67x = 208,247.18 × 90,480.15
  4. Step 4: Simplify right side
    150,899.67x = 18,842,235,631.08
  5. Step 5: Solve for x
    x = 18,842,235,631.08/150,899.67
  6. Step 6: Final answer
    x = 124,865.98

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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.