Home / 202,824.81-279,956.66-142,410.15

Finding the Fourth Proportional to 202,824.81, 279,956.66 and 142,410.15

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Solution

The fourth proportional to 202,824.81, 279,956.66 and 142,410.15 is: 196,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,824.81 : 279,956.66 = 142,410.15 : x
  2. Step 2: Convert to fraction form
    202,824.81/279,956.66 = 142,410.15/x
  3. Step 3: Cross multiply
    202,824.81x = 279,956.66 × 142,410.15
  4. Step 4: Simplify right side
    202,824.81x = 39,868,669,232.05
  5. Step 5: Solve for x
    x = 39,868,669,232.05/202,824.81
  6. Step 6: Final answer
    x = 196,567.02

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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.