Home / 161,904.24-223,431.78-90,283.56

Finding the Fourth Proportional to 161,904.24, 223,431.78 and 90,283.56

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Solution

The fourth proportional to 161,904.24, 223,431.78 and 90,283.56 is: 124,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.24 : 223,431.78 = 90,283.56 : x
  2. Step 2: Convert to fraction form
    161,904.24/223,431.78 = 90,283.56/x
  3. Step 3: Cross multiply
    161,904.24x = 223,431.78 × 90,283.56
  4. Step 4: Simplify right side
    161,904.24x = 20,172,216,515.54
  5. Step 5: Solve for x
    x = 20,172,216,515.54/161,904.24
  6. Step 6: Final answer
    x = 124,593.50

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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.