Home / 236,244.52-326,011.44-128,816.56

Finding the Fourth Proportional to 236,244.52, 326,011.44 and 128,816.56

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Solution

The fourth proportional to 236,244.52, 326,011.44 and 128,816.56 is: 177,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,244.52 : 326,011.44 = 128,816.56 : x
  2. Step 2: Convert to fraction form
    236,244.52/326,011.44 = 128,816.56/x
  3. Step 3: Cross multiply
    236,244.52x = 326,011.44 × 128,816.56
  4. Step 4: Simplify right side
    236,244.52x = 41,995,672,221.45
  5. Step 5: Solve for x
    x = 41,995,672,221.45/236,244.52
  6. Step 6: Final answer
    x = 177,763.58

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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.