Home / 161,116.47-222,343.79-89,503.16

Finding the Fourth Proportional to 161,116.47, 222,343.79 and 89,503.16

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Solution

The fourth proportional to 161,116.47, 222,343.79 and 89,503.16 is: 123,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,116.47 : 222,343.79 = 89,503.16 : x
  2. Step 2: Convert to fraction form
    161,116.47/222,343.79 = 89,503.16/x
  3. Step 3: Cross multiply
    161,116.47x = 222,343.79 × 89,503.16
  4. Step 4: Simplify right side
    161,116.47x = 19,900,470,252.14
  5. Step 5: Solve for x
    x = 19,900,470,252.14/161,116.47
  6. Step 6: Final answer
    x = 123,516.05

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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.