Home / 179,296.64-268,845.40-83,128.76

Finding the Fourth Proportional to 179,296.64, 268,845.40 and 83,128.76

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Solution

The fourth proportional to 179,296.64, 268,845.40 and 83,128.76 is: 124,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,296.64 : 268,845.40 = 83,128.76 : x
  2. Step 2: Convert to fraction form
    179,296.64/268,845.40 = 83,128.76/x
  3. Step 3: Cross multiply
    179,296.64x = 268,845.40 × 83,128.76
  4. Step 4: Simplify right side
    179,296.64x = 22,348,784,733.70
  5. Step 5: Solve for x
    x = 22,348,784,733.70/179,296.64
  6. Step 6: Final answer
    x = 124,646.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.