Home / 277,626.33-383,132.20-156,785.78

Finding the Fourth Proportional to 277,626.33, 383,132.20 and 156,785.78

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Solution

The fourth proportional to 277,626.33, 383,132.20 and 156,785.78 is: 216,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,626.33 : 383,132.20 = 156,785.78 : x
  2. Step 2: Convert to fraction form
    277,626.33/383,132.20 = 156,785.78/x
  3. Step 3: Cross multiply
    277,626.33x = 383,132.20 × 156,785.78
  4. Step 4: Simplify right side
    277,626.33x = 60,069,680,820.12
  5. Step 5: Solve for x
    x = 60,069,680,820.12/277,626.33
  6. Step 6: Final answer
    x = 216,368.82

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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.