Home / 278,013.14-383,658.54-150,688.70

Finding the Fourth Proportional to 278,013.14, 383,658.54 and 150,688.70

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Solution

The fourth proportional to 278,013.14, 383,658.54 and 150,688.70 is: 207,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,013.14 : 383,658.54 = 150,688.70 : x
  2. Step 2: Convert to fraction form
    278,013.14/383,658.54 = 150,688.70/x
  3. Step 3: Cross multiply
    278,013.14x = 383,658.54 × 150,688.70
  4. Step 4: Simplify right side
    278,013.14x = 57,813,006,636.50
  5. Step 5: Solve for x
    x = 57,813,006,636.50/278,013.14
  6. Step 6: Final answer
    x = 207,950.63

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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.