Home / 223,231.77-308,112.93-127,793.52

Finding the Fourth Proportional to 223,231.77, 308,112.93 and 127,793.52

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Solution

The fourth proportional to 223,231.77, 308,112.93 and 127,793.52 is: 176,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,231.77 : 308,112.93 = 127,793.52 : x
  2. Step 2: Convert to fraction form
    223,231.77/308,112.93 = 127,793.52/x
  3. Step 3: Cross multiply
    223,231.77x = 308,112.93 × 127,793.52
  4. Step 4: Simplify right side
    223,231.77x = 39,374,835,882.21
  5. Step 5: Solve for x
    x = 39,374,835,882.21/223,231.77
  6. Step 6: Final answer
    x = 176,385.45

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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.