Home / 223,795.17-308,843.79-121,827.24

Finding the Fourth Proportional to 223,795.17, 308,843.79 and 121,827.24

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Solution

The fourth proportional to 223,795.17, 308,843.79 and 121,827.24 is: 168,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,795.17 : 308,843.79 = 121,827.24 : x
  2. Step 2: Convert to fraction form
    223,795.17/308,843.79 = 121,827.24/x
  3. Step 3: Cross multiply
    223,795.17x = 308,843.79 × 121,827.24
  4. Step 4: Simplify right side
    223,795.17x = 37,625,586,526.84
  5. Step 5: Solve for x
    x = 37,625,586,526.84/223,795.17
  6. Step 6: Final answer
    x = 168,125.11

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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.