Home / 223,218.82-308,047.40-127,756.27

Finding the Fourth Proportional to 223,218.82, 308,047.40 and 127,756.27

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Solution

The fourth proportional to 223,218.82, 308,047.40 and 127,756.27 is: 176,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,218.82 : 308,047.40 = 127,756.27 : x
  2. Step 2: Convert to fraction form
    223,218.82/308,047.40 = 127,756.27/x
  3. Step 3: Cross multiply
    223,218.82x = 308,047.40 × 127,756.27
  4. Step 4: Simplify right side
    223,218.82x = 39,354,986,807.20
  5. Step 5: Solve for x
    x = 39,354,986,807.20/223,218.82
  6. Step 6: Final answer
    x = 176,306.76

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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.