Home / 286,333.14-395,144.49-157,283.55

Finding the Fourth Proportional to 286,333.14, 395,144.49 and 157,283.55

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Solution

The fourth proportional to 286,333.14, 395,144.49 and 157,283.55 is: 217,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,333.14 : 395,144.49 = 157,283.55 : x
  2. Step 2: Convert to fraction form
    286,333.14/395,144.49 = 157,283.55/x
  3. Step 3: Cross multiply
    286,333.14x = 395,144.49 × 157,283.55
  4. Step 4: Simplify right side
    286,333.14x = 62,149,728,150.14
  5. Step 5: Solve for x
    x = 62,149,728,150.14/286,333.14
  6. Step 6: Final answer
    x = 217,053.91

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1.5x scale

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.