Home / 161,089.83-222,297.82-89,474.45

Finding the Fourth Proportional to 161,089.83, 222,297.82 and 89,474.45

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Solution

The fourth proportional to 161,089.83, 222,297.82 and 89,474.45 is: 123,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,089.83 : 222,297.82 = 89,474.45 : x
  2. Step 2: Convert to fraction form
    161,089.83/222,297.82 = 89,474.45/x
  3. Step 3: Cross multiply
    161,089.83x = 222,297.82 × 89,474.45
  4. Step 4: Simplify right side
    161,089.83x = 19,889,973,845.52
  5. Step 5: Solve for x
    x = 19,889,973,845.52/161,089.83
  6. Step 6: Final answer
    x = 123,471.32

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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.