Home / 278,648.04-384,530.82-151,324.52

Finding the Fourth Proportional to 278,648.04, 384,530.82 and 151,324.52

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Solution

The fourth proportional to 278,648.04, 384,530.82 and 151,324.52 is: 208,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,648.04 : 384,530.82 = 151,324.52 : x
  2. Step 2: Convert to fraction form
    278,648.04/384,530.82 = 151,324.52/x
  3. Step 3: Cross multiply
    278,648.04x = 384,530.82 × 151,324.52
  4. Step 4: Simplify right side
    278,648.04x = 58,188,941,761.71
  5. Step 5: Solve for x
    x = 58,188,941,761.71/278,648.04
  6. Step 6: Final answer
    x = 208,825.95

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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.