Home / 312,576.03-431,356.59-169,336.44

Finding the Fourth Proportional to 312,576.03, 431,356.59 and 169,336.44

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Solution

The fourth proportional to 312,576.03, 431,356.59 and 169,336.44 is: 233,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,576.03 : 431,356.59 = 169,336.44 : x
  2. Step 2: Convert to fraction form
    312,576.03/431,356.59 = 169,336.44/x
  3. Step 3: Cross multiply
    312,576.03x = 431,356.59 × 169,336.44
  4. Step 4: Simplify right side
    312,576.03x = 73,044,389,321.14
  5. Step 5: Solve for x
    x = 73,044,389,321.14/312,576.03
  6. Step 6: Final answer
    x = 233,685.19

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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.