Home / 277,639.08-383,142.12-150,314.76

Finding the Fourth Proportional to 277,639.08, 383,142.12 and 150,314.76

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Solution

The fourth proportional to 277,639.08, 383,142.12 and 150,314.76 is: 207,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,639.08 : 383,142.12 = 150,314.76 : x
  2. Step 2: Convert to fraction form
    277,639.08/383,142.12 = 150,314.76/x
  3. Step 3: Cross multiply
    277,639.08x = 383,142.12 × 150,314.76
  4. Step 4: Simplify right side
    277,639.08x = 57,591,915,813.69
  5. Step 5: Solve for x
    x = 57,591,915,813.69/277,639.08
  6. Step 6: Final answer
    x = 207,434.47

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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.