Home / 279,209.07-385,308.23-151,884.36

Finding the Fourth Proportional to 279,209.07, 385,308.23 and 151,884.36

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Solution

The fourth proportional to 279,209.07, 385,308.23 and 151,884.36 is: 209,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,209.07 : 385,308.23 = 151,884.36 : x
  2. Step 2: Convert to fraction form
    279,209.07/385,308.23 = 151,884.36/x
  3. Step 3: Cross multiply
    279,209.07x = 385,308.23 × 151,884.36
  4. Step 4: Simplify right side
    279,209.07x = 58,522,293,156.86
  5. Step 5: Solve for x
    x = 58,522,293,156.86/279,209.07
  6. Step 6: Final answer
    x = 209,600.26

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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.