Home / 223,081.30-307,819.69-127,569.54

Finding the Fourth Proportional to 223,081.30, 307,819.69 and 127,569.54

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Solution

The fourth proportional to 223,081.30, 307,819.69 and 127,569.54 is: 176,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,081.30 : 307,819.69 = 127,569.54 : x
  2. Step 2: Convert to fraction form
    223,081.30/307,819.69 = 127,569.54/x
  3. Step 3: Cross multiply
    223,081.30x = 307,819.69 × 127,569.54
  4. Step 4: Simplify right side
    223,081.30x = 39,268,416,256.24
  5. Step 5: Solve for x
    x = 39,268,416,256.24/223,081.30
  6. Step 6: Final answer
    x = 176,027.38

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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.