Home / 161,738.49-223,196.15-90,116.97

Finding the Fourth Proportional to 161,738.49, 223,196.15 and 90,116.97

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Solution

The fourth proportional to 161,738.49, 223,196.15 and 90,116.97 is: 124,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,738.49 : 223,196.15 = 90,116.97 : x
  2. Step 2: Convert to fraction form
    161,738.49/223,196.15 = 90,116.97/x
  3. Step 3: Cross multiply
    161,738.49x = 223,196.15 × 90,116.97
  4. Step 4: Simplify right side
    161,738.49x = 20,113,760,303.08
  5. Step 5: Solve for x
    x = 20,113,760,303.08/161,738.49
  6. Step 6: Final answer
    x = 124,359.76

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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.