Home / 371,946.52-513,286.54-202,180.64

Finding the Fourth Proportional to 371,946.52, 513,286.54 and 202,180.64

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Solution

The fourth proportional to 371,946.52, 513,286.54 and 202,180.64 is: 279,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,946.52 : 513,286.54 = 202,180.64 : x
  2. Step 2: Convert to fraction form
    371,946.52/513,286.54 = 202,180.64/x
  3. Step 3: Cross multiply
    371,946.52x = 513,286.54 × 202,180.64
  4. Step 4: Simplify right side
    371,946.52x = 103,776,601,160.59
  5. Step 5: Solve for x
    x = 103,776,601,160.59/371,946.52
  6. Step 6: Final answer
    x = 279,009.47

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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.