Home / 278,018.95-383,666.54-150,694.51

Finding the Fourth Proportional to 278,018.95, 383,666.54 and 150,694.51

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Solution

The fourth proportional to 278,018.95, 383,666.54 and 150,694.51 is: 207,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,018.95 : 383,666.54 = 150,694.51 : x
  2. Step 2: Convert to fraction form
    278,018.95/383,666.54 = 150,694.51/x
  3. Step 3: Cross multiply
    278,018.95x = 383,666.54 × 150,694.51
  4. Step 4: Simplify right side
    278,018.95x = 57,816,441,248.70
  5. Step 5: Solve for x
    x = 57,816,441,248.70/278,018.95
  6. Step 6: Final answer
    x = 207,958.63

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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.