Home / 150,896.16-208,222.38-90,455.58

Finding the Fourth Proportional to 150,896.16, 208,222.38 and 90,455.58

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Solution

The fourth proportional to 150,896.16, 208,222.38 and 90,455.58 is: 124,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,896.16 : 208,222.38 = 90,455.58 : x
  2. Step 2: Convert to fraction form
    150,896.16/208,222.38 = 90,455.58/x
  3. Step 3: Cross multiply
    150,896.16x = 208,222.38 × 90,455.58
  4. Step 4: Simplify right side
    150,896.16x = 18,834,876,151.88
  5. Step 5: Solve for x
    x = 18,834,876,151.88/150,896.16
  6. Step 6: Final answer
    x = 124,820.12

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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.