Home / 236,505.13-326,732.51-155,026.78

Finding the Fourth Proportional to 236,505.13, 326,732.51 and 155,026.78

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Solution

The fourth proportional to 236,505.13, 326,732.51 and 155,026.78 is: 214,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,505.13 : 326,732.51 = 155,026.78 : x
  2. Step 2: Convert to fraction form
    236,505.13/326,732.51 = 155,026.78/x
  3. Step 3: Cross multiply
    236,505.13x = 326,732.51 × 155,026.78
  4. Step 4: Simplify right side
    236,505.13x = 50,652,288,946.62
  5. Step 5: Solve for x
    x = 50,652,288,946.62/236,505.13
  6. Step 6: Final answer
    x = 214,169.94

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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.