Home / 183,867.64-253,824.20-122,715.08

Finding the Fourth Proportional to 183,867.64, 253,824.20 and 122,715.08

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Solution

The fourth proportional to 183,867.64, 253,824.20 and 122,715.08 is: 169,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,867.64 : 253,824.20 = 122,715.08 : x
  2. Step 2: Convert to fraction form
    183,867.64/253,824.20 = 122,715.08/x
  3. Step 3: Cross multiply
    183,867.64x = 253,824.20 × 122,715.08
  4. Step 4: Simplify right side
    183,867.64x = 31,148,057,008.94
  5. Step 5: Solve for x
    x = 31,148,057,008.94/183,867.64
  6. Step 6: Final answer
    x = 169,404.78

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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.