Home / 278,860.14-384,829.11-151,536.24

Finding the Fourth Proportional to 278,860.14, 384,829.11 and 151,536.24

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Solution

The fourth proportional to 278,860.14, 384,829.11 and 151,536.24 is: 209,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,860.14 : 384,829.11 = 151,536.24 : x
  2. Step 2: Convert to fraction form
    278,860.14/384,829.11 = 151,536.24/x
  3. Step 3: Cross multiply
    278,860.14x = 384,829.11 × 151,536.24
  4. Step 4: Simplify right side
    278,860.14x = 58,315,556,371.95
  5. Step 5: Solve for x
    x = 58,315,556,371.95/278,860.14
  6. Step 6: Final answer
    x = 209,121.16

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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.