Home / 252,221.40-378,332.10-94,429.35

Finding the Fourth Proportional to 252,221.40, 378,332.10 and 94,429.35

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Solution

The fourth proportional to 252,221.40, 378,332.10 and 94,429.35 is: 141,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,221.40 : 378,332.10 = 94,429.35 : x
  2. Step 2: Convert to fraction form
    252,221.40/378,332.10 = 94,429.35/x
  3. Step 3: Cross multiply
    252,221.40x = 378,332.10 × 94,429.35
  4. Step 4: Simplify right side
    252,221.40x = 35,725,654,287.14
  5. Step 5: Solve for x
    x = 35,725,654,287.14/252,221.40
  6. Step 6: Final answer
    x = 141,644.03

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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.