Home / 277,603.15-383,091.90-150,278.71

Finding the Fourth Proportional to 277,603.15, 383,091.90 and 150,278.71

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Solution

The fourth proportional to 277,603.15, 383,091.90 and 150,278.71 is: 207,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,603.15 : 383,091.90 = 150,278.71 : x
  2. Step 2: Convert to fraction form
    277,603.15/383,091.90 = 150,278.71/x
  3. Step 3: Cross multiply
    277,603.15x = 383,091.90 × 150,278.71
  4. Step 4: Simplify right side
    277,603.15x = 57,570,556,543.45
  5. Step 5: Solve for x
    x = 57,570,556,543.45/277,603.15
  6. Step 6: Final answer
    x = 207,384.38

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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.