Home / 181,205.36-250,298.72-137,921.92

Finding the Fourth Proportional to 181,205.36, 250,298.72 and 137,921.92

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Solution

The fourth proportional to 181,205.36, 250,298.72 and 137,921.92 is: 190,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,205.36 : 250,298.72 = 137,921.92 : x
  2. Step 2: Convert to fraction form
    181,205.36/250,298.72 = 137,921.92/x
  3. Step 3: Cross multiply
    181,205.36x = 250,298.72 × 137,921.92
  4. Step 4: Simplify right side
    181,205.36x = 34,521,680,035.94
  5. Step 5: Solve for x
    x = 34,521,680,035.94/181,205.36
  6. Step 6: Final answer
    x = 190,511.36

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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.