Home / 161,083.61-222,295.89-89,463.62

Finding the Fourth Proportional to 161,083.61, 222,295.89 and 89,463.62

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Solution

The fourth proportional to 161,083.61, 222,295.89 and 89,463.62 is: 123,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,083.61 : 222,295.89 = 89,463.62 : x
  2. Step 2: Convert to fraction form
    161,083.61/222,295.89 = 89,463.62/x
  3. Step 3: Cross multiply
    161,083.61x = 222,295.89 × 89,463.62
  4. Step 4: Simplify right side
    161,083.61x = 19,887,393,919.04
  5. Step 5: Solve for x
    x = 19,887,393,919.04/161,083.61
  6. Step 6: Final answer
    x = 123,460.07

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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.