Home / 236,781.56-355,202.55-108,666.77

Finding the Fourth Proportional to 236,781.56, 355,202.55 and 108,666.77

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Solution

The fourth proportional to 236,781.56, 355,202.55 and 108,666.77 is: 163,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,781.56 : 355,202.55 = 108,666.77 : x
  2. Step 2: Convert to fraction form
    236,781.56/355,202.55 = 108,666.77/x
  3. Step 3: Cross multiply
    236,781.56x = 355,202.55 × 108,666.77
  4. Step 4: Simplify right side
    236,781.56x = 38,598,712,028.25
  5. Step 5: Solve for x
    x = 38,598,712,028.25/236,781.56
  6. Step 6: Final answer
    x = 163,014.01

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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.