Home / 161,270.46-222,552.65-88,678.11

Finding the Fourth Proportional to 161,270.46, 222,552.65 and 88,678.11

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Solution

The fourth proportional to 161,270.46, 222,552.65 and 88,678.11 is: 122,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,270.46 : 222,552.65 = 88,678.11 : x
  2. Step 2: Convert to fraction form
    161,270.46/222,552.65 = 88,678.11/x
  3. Step 3: Cross multiply
    161,270.46x = 222,552.65 × 88,678.11
  4. Step 4: Simplify right side
    161,270.46x = 19,735,547,934.10
  5. Step 5: Solve for x
    x = 19,735,547,934.10/161,270.46
  6. Step 6: Final answer
    x = 122,375.47

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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.