Home / 207,123.22-310,229.34-171,177.22

Finding the Fourth Proportional to 207,123.22, 310,229.34 and 171,177.22

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Solution

The fourth proportional to 207,123.22, 310,229.34 and 171,177.22 is: 256,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,123.22 : 310,229.34 = 171,177.22 : x
  2. Step 2: Convert to fraction form
    207,123.22/310,229.34 = 171,177.22/x
  3. Step 3: Cross multiply
    207,123.22x = 310,229.34 × 171,177.22
  4. Step 4: Simplify right side
    207,123.22x = 53,104,195,983.63
  5. Step 5: Solve for x
    x = 53,104,195,983.63/207,123.22
  6. Step 6: Final answer
    x = 256,389.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.