Home / 223,289.29-308,121.34-127,774.09

Finding the Fourth Proportional to 223,289.29, 308,121.34 and 127,774.09

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Solution

The fourth proportional to 223,289.29, 308,121.34 and 127,774.09 is: 176,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,289.29 : 308,121.34 = 127,774.09 : x
  2. Step 2: Convert to fraction form
    223,289.29/308,121.34 = 127,774.09/x
  3. Step 3: Cross multiply
    223,289.29x = 308,121.34 × 127,774.09
  4. Step 4: Simplify right side
    223,289.29x = 39,369,923,828.08
  5. Step 5: Solve for x
    x = 39,369,923,828.08/223,289.29
  6. Step 6: Final answer
    x = 176,318.01

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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.