Home / 161,425.18-222,763.39-89,803.66

Finding the Fourth Proportional to 161,425.18, 222,763.39 and 89,803.66

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Solution

The fourth proportional to 161,425.18, 222,763.39 and 89,803.66 is: 123,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,425.18 : 222,763.39 = 89,803.66 : x
  2. Step 2: Convert to fraction form
    161,425.18/222,763.39 = 89,803.66/x
  3. Step 3: Cross multiply
    161,425.18x = 222,763.39 × 89,803.66
  4. Step 4: Simplify right side
    161,425.18x = 20,004,967,736.01
  5. Step 5: Solve for x
    x = 20,004,967,736.01/161,425.18
  6. Step 6: Final answer
    x = 123,927.18

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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.