Home / 277,434.87-382,861.44-156,581.25

Finding the Fourth Proportional to 277,434.87, 382,861.44 and 156,581.25

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Solution

The fourth proportional to 277,434.87, 382,861.44 and 156,581.25 is: 216,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,434.87 : 382,861.44 = 156,581.25 : x
  2. Step 2: Convert to fraction form
    277,434.87/382,861.44 = 156,581.25/x
  3. Step 3: Cross multiply
    277,434.87x = 382,861.44 × 156,581.25
  4. Step 4: Simplify right side
    277,434.87x = 59,948,922,852
  5. Step 5: Solve for x
    x = 59,948,922,852/277,434.87
  6. Step 6: Final answer
    x = 216,082.87

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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.