Home / 218,860.48-328,195.37-116,255.35

Finding the Fourth Proportional to 218,860.48, 328,195.37 and 116,255.35

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Solution

The fourth proportional to 218,860.48, 328,195.37 and 116,255.35 is: 174,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,860.48 : 328,195.37 = 116,255.35 : x
  2. Step 2: Convert to fraction form
    218,860.48/328,195.37 = 116,255.35/x
  3. Step 3: Cross multiply
    218,860.48x = 328,195.37 × 116,255.35
  4. Step 4: Simplify right side
    218,860.48x = 38,154,467,607.73
  5. Step 5: Solve for x
    x = 38,154,467,607.73/218,860.48
  6. Step 6: Final answer
    x = 174,332.38

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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.