Home / 161,117.82-222,342.48-89,504.51

Finding the Fourth Proportional to 161,117.82, 222,342.48 and 89,504.51

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Solution

The fourth proportional to 161,117.82, 222,342.48 and 89,504.51 is: 123,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,117.82 : 222,342.48 = 89,504.51 : x
  2. Step 2: Convert to fraction form
    161,117.82/222,342.48 = 89,504.51/x
  3. Step 3: Cross multiply
    161,117.82x = 222,342.48 × 89,504.51
  4. Step 4: Simplify right side
    161,117.82x = 19,900,653,612.87
  5. Step 5: Solve for x
    x = 19,900,653,612.87/161,117.82
  6. Step 6: Final answer
    x = 123,516.15

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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.