Home / 160,981.92-222,143.94-89,356.31

Finding the Fourth Proportional to 160,981.92, 222,143.94 and 89,356.31

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Solution

The fourth proportional to 160,981.92, 222,143.94 and 89,356.31 is: 123,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,981.92 : 222,143.94 = 89,356.31 : x
  2. Step 2: Convert to fraction form
    160,981.92/222,143.94 = 89,356.31/x
  3. Step 3: Cross multiply
    160,981.92x = 222,143.94 × 89,356.31
  4. Step 4: Simplify right side
    160,981.92x = 19,849,962,320.48
  5. Step 5: Solve for x
    x = 19,849,962,320.48/160,981.92
  6. Step 6: Final answer
    x = 123,305.54

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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.