Home / 218,858.48-328,192.37-116,253.35

Finding the Fourth Proportional to 218,858.48, 328,192.37 and 116,253.35

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Solution

The fourth proportional to 218,858.48, 328,192.37 and 116,253.35 is: 174,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,858.48 : 328,192.37 = 116,253.35 : x
  2. Step 2: Convert to fraction form
    218,858.48/328,192.37 = 116,253.35/x
  3. Step 3: Cross multiply
    218,858.48x = 328,192.37 × 116,253.35
  4. Step 4: Simplify right side
    218,858.48x = 38,153,462,456.94
  5. Step 5: Solve for x
    x = 38,153,462,456.94/218,858.48
  6. Step 6: Final answer
    x = 174,329.38

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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.