Home / 160,936.65-222,082.23-100,503.68

Finding the Fourth Proportional to 160,936.65, 222,082.23 and 100,503.68

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Solution

The fourth proportional to 160,936.65, 222,082.23 and 100,503.68 is: 138,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,936.65 : 222,082.23 = 100,503.68 : x
  2. Step 2: Convert to fraction form
    160,936.65/222,082.23 = 100,503.68/x
  3. Step 3: Cross multiply
    160,936.65x = 222,082.23 × 100,503.68
  4. Step 4: Simplify right side
    160,936.65x = 22,320,080,267.20
  5. Step 5: Solve for x
    x = 22,320,080,267.20/160,936.65
  6. Step 6: Final answer
    x = 138,688.61

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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.