Home / 278,022.26-383,671.54-150,698.36

Finding the Fourth Proportional to 278,022.26, 383,671.54 and 150,698.36

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Solution

The fourth proportional to 278,022.26, 383,671.54 and 150,698.36 is: 207,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,022.26 : 383,671.54 = 150,698.36 : x
  2. Step 2: Convert to fraction form
    278,022.26/383,671.54 = 150,698.36/x
  3. Step 3: Cross multiply
    278,022.26x = 383,671.54 × 150,698.36
  4. Step 4: Simplify right side
    278,022.26x = 57,818,671,856.67
  5. Step 5: Solve for x
    x = 57,818,671,856.67/278,022.26
  6. Step 6: Final answer
    x = 207,964.18

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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.