Home / 234,748.47-323,903.03-139,286.19

Finding the Fourth Proportional to 234,748.47, 323,903.03 and 139,286.19

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Solution

The fourth proportional to 234,748.47, 323,903.03 and 139,286.19 is: 192,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,748.47 : 323,903.03 = 139,286.19 : x
  2. Step 2: Convert to fraction form
    234,748.47/323,903.03 = 139,286.19/x
  3. Step 3: Cross multiply
    234,748.47x = 323,903.03 × 139,286.19
  4. Step 4: Simplify right side
    234,748.47x = 45,115,218,281.72
  5. Step 5: Solve for x
    x = 45,115,218,281.72/234,748.47
  6. Step 6: Final answer
    x = 192,185.36

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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.