Home / 161,549.60-222,936.06-89,929.52

Finding the Fourth Proportional to 161,549.60, 222,936.06 and 89,929.52

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Solution

The fourth proportional to 161,549.60, 222,936.06 and 89,929.52 is: 124,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,549.60 : 222,936.06 = 89,929.52 : x
  2. Step 2: Convert to fraction form
    161,549.60/222,936.06 = 89,929.52/x
  3. Step 3: Cross multiply
    161,549.60x = 222,936.06 × 89,929.52
  4. Step 4: Simplify right side
    161,549.60x = 20,048,532,866.49
  5. Step 5: Solve for x
    x = 20,048,532,866.49/161,549.60
  6. Step 6: Final answer
    x = 124,101.41

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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.