Home / 236,896.68-326,907.72-129,470.34

Finding the Fourth Proportional to 236,896.68, 326,907.72 and 129,470.34

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Solution

The fourth proportional to 236,896.68, 326,907.72 and 129,470.34 is: 178,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,896.68 : 326,907.72 = 129,470.34 : x
  2. Step 2: Convert to fraction form
    236,896.68/326,907.72 = 129,470.34/x
  3. Step 3: Cross multiply
    236,896.68x = 326,907.72 × 129,470.34
  4. Step 4: Simplify right side
    236,896.68x = 42,324,853,657.02
  5. Step 5: Solve for x
    x = 42,324,853,657.02/236,896.68
  6. Step 6: Final answer
    x = 178,663.77

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1.5x scale

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.