Home / 202,811.16-279,880.04-113,387.16

Finding the Fourth Proportional to 202,811.16, 279,880.04 and 113,387.16

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Solution

The fourth proportional to 202,811.16, 279,880.04 and 113,387.16 is: 156,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,811.16 : 279,880.04 = 113,387.16 : x
  2. Step 2: Convert to fraction form
    202,811.16/279,880.04 = 113,387.16/x
  3. Step 3: Cross multiply
    202,811.16x = 279,880.04 × 113,387.16
  4. Step 4: Simplify right side
    202,811.16x = 31,734,802,876.29
  5. Step 5: Solve for x
    x = 31,734,802,876.29/202,811.16
  6. Step 6: Final answer
    x = 156,474.64

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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.