Home / 161,119.47-222,347.94-89,506.17

Finding the Fourth Proportional to 161,119.47, 222,347.94 and 89,506.17

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Solution

The fourth proportional to 161,119.47, 222,347.94 and 89,506.17 is: 123,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,119.47 : 222,347.94 = 89,506.17 : x
  2. Step 2: Convert to fraction form
    161,119.47/222,347.94 = 89,506.17/x
  3. Step 3: Cross multiply
    161,119.47x = 222,347.94 × 89,506.17
  4. Step 4: Simplify right side
    161,119.47x = 19,901,512,516.79
  5. Step 5: Solve for x
    x = 19,901,512,516.79/161,119.47
  6. Step 6: Final answer
    x = 123,520.22

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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.