Home / 252,101.64-347,899.56-138,924.36

Finding the Fourth Proportional to 252,101.64, 347,899.56 and 138,924.36

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Solution

The fourth proportional to 252,101.64, 347,899.56 and 138,924.36 is: 191,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,101.64 : 347,899.56 = 138,924.36 : x
  2. Step 2: Convert to fraction form
    252,101.64/347,899.56 = 138,924.36/x
  3. Step 3: Cross multiply
    252,101.64x = 347,899.56 × 138,924.36
  4. Step 4: Simplify right side
    252,101.64x = 48,331,723,717.28
  5. Step 5: Solve for x
    x = 48,331,723,717.28/252,101.64
  6. Step 6: Final answer
    x = 191,715.23

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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.