Home / 279,208.36-385,296.24-151,884.10

Finding the Fourth Proportional to 279,208.36, 385,296.24 and 151,884.10

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Solution

The fourth proportional to 279,208.36, 385,296.24 and 151,884.10 is: 209,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,208.36 : 385,296.24 = 151,884.10 : x
  2. Step 2: Convert to fraction form
    279,208.36/385,296.24 = 151,884.10/x
  3. Step 3: Cross multiply
    279,208.36x = 385,296.24 × 151,884.10
  4. Step 4: Simplify right side
    279,208.36x = 58,520,372,645.78
  5. Step 5: Solve for x
    x = 58,520,372,645.78/279,208.36
  6. Step 6: Final answer
    x = 209,593.91

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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.