Home / 161,940.28-223,477.98-90,324.94

Finding the Fourth Proportional to 161,940.28, 223,477.98 and 90,324.94

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Solution

The fourth proportional to 161,940.28, 223,477.98 and 90,324.94 is: 124,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,940.28 : 223,477.98 = 90,324.94 : x
  2. Step 2: Convert to fraction form
    161,940.28/223,477.98 = 90,324.94/x
  3. Step 3: Cross multiply
    161,940.28x = 223,477.98 × 90,324.94
  4. Step 4: Simplify right side
    161,940.28x = 20,185,635,134.82
  5. Step 5: Solve for x
    x = 20,185,635,134.82/161,940.28
  6. Step 6: Final answer
    x = 124,648.64

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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.