Home / 161,373.22-222,667.99-89,743.66

Finding the Fourth Proportional to 161,373.22, 222,667.99 and 89,743.66

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Solution

The fourth proportional to 161,373.22, 222,667.99 and 89,743.66 is: 123,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,373.22 : 222,667.99 = 89,743.66 : x
  2. Step 2: Convert to fraction form
    161,373.22/222,667.99 = 89,743.66/x
  3. Step 3: Cross multiply
    161,373.22x = 222,667.99 × 89,743.66
  4. Step 4: Simplify right side
    161,373.22x = 19,983,041,111.33
  5. Step 5: Solve for x
    x = 19,983,041,111.33/161,373.22
  6. Step 6: Final answer
    x = 123,831.21

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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.