Home / 199,851.77-299,629.43-120,947.24

Finding the Fourth Proportional to 199,851.77, 299,629.43 and 120,947.24

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Solution

The fourth proportional to 199,851.77, 299,629.43 and 120,947.24 is: 181,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,851.77 : 299,629.43 = 120,947.24 : x
  2. Step 2: Convert to fraction form
    199,851.77/299,629.43 = 120,947.24/x
  3. Step 3: Cross multiply
    199,851.77x = 299,629.43 × 120,947.24
  4. Step 4: Simplify right side
    199,851.77x = 36,239,353,179.16
  5. Step 5: Solve for x
    x = 36,239,353,179.16/199,851.77
  6. Step 6: Final answer
    x = 181,331.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.