Home / 223,226.52-308,020.28-127,715.37

Finding the Fourth Proportional to 223,226.52, 308,020.28 and 127,715.37

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Solution

The fourth proportional to 223,226.52, 308,020.28 and 127,715.37 is: 176,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,226.52 : 308,020.28 = 127,715.37 : x
  2. Step 2: Convert to fraction form
    223,226.52/308,020.28 = 127,715.37/x
  3. Step 3: Cross multiply
    223,226.52x = 308,020.28 × 127,715.37
  4. Step 4: Simplify right side
    223,226.52x = 39,338,924,027.70
  5. Step 5: Solve for x
    x = 39,338,924,027.70/223,226.52
  6. Step 6: Final answer
    x = 176,228.72

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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.