Home / 160,936.87-222,082.55-100,503.92

Finding the Fourth Proportional to 160,936.87, 222,082.55 and 100,503.92

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Solution

The fourth proportional to 160,936.87, 222,082.55 and 100,503.92 is: 138,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,936.87 : 222,082.55 = 100,503.92 : x
  2. Step 2: Convert to fraction form
    160,936.87/222,082.55 = 100,503.92/x
  3. Step 3: Cross multiply
    160,936.87x = 222,082.55 × 100,503.92
  4. Step 4: Simplify right side
    160,936.87x = 22,320,166,838.60
  5. Step 5: Solve for x
    x = 22,320,166,838.60/160,936.87
  6. Step 6: Final answer
    x = 138,688.96

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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.