Home / 163,043.27-224,739.68-128,531.73

Finding the Fourth Proportional to 163,043.27, 224,739.68 and 128,531.73

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Solution

The fourth proportional to 163,043.27, 224,739.68 and 128,531.73 is: 177,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,043.27 : 224,739.68 = 128,531.73 : x
  2. Step 2: Convert to fraction form
    163,043.27/224,739.68 = 128,531.73/x
  3. Step 3: Cross multiply
    163,043.27x = 224,739.68 × 128,531.73
  4. Step 4: Simplify right side
    163,043.27x = 28,886,179,227.39
  5. Step 5: Solve for x
    x = 28,886,179,227.39/163,043.27
  6. Step 6: Final answer
    x = 177,168.80

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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.