Home / 227,283.13-313,651.51-125,306.36

Finding the Fourth Proportional to 227,283.13, 313,651.51 and 125,306.36

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Solution

The fourth proportional to 227,283.13, 313,651.51 and 125,306.36 is: 172,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,283.13 : 313,651.51 = 125,306.36 : x
  2. Step 2: Convert to fraction form
    227,283.13/313,651.51 = 125,306.36/x
  3. Step 3: Cross multiply
    227,283.13x = 313,651.51 × 125,306.36
  4. Step 4: Simplify right side
    227,283.13x = 39,302,528,321.27
  5. Step 5: Solve for x
    x = 39,302,528,321.27/227,283.13
  6. Step 6: Final answer
    x = 172,923.21

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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.