Home / 236,949.76-326,999.46-129,527.08

Finding the Fourth Proportional to 236,949.76, 326,999.46 and 129,527.08

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Solution

The fourth proportional to 236,949.76, 326,999.46 and 129,527.08 is: 178,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,949.76 : 326,999.46 = 129,527.08 : x
  2. Step 2: Convert to fraction form
    236,949.76/326,999.46 = 129,527.08/x
  3. Step 3: Cross multiply
    236,949.76x = 326,999.46 × 129,527.08
  4. Step 4: Simplify right side
    236,949.76x = 42,355,285,215.38
  5. Step 5: Solve for x
    x = 42,355,285,215.38/236,949.76
  6. Step 6: Final answer
    x = 178,752.18

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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.