Home / 235,404.45-324,854.30-127,977.20

Finding the Fourth Proportional to 235,404.45, 324,854.30 and 127,977.20

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Solution

The fourth proportional to 235,404.45, 324,854.30 and 127,977.20 is: 176,606.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,404.45 : 324,854.30 = 127,977.20 : x
  2. Step 2: Convert to fraction form
    235,404.45/324,854.30 = 127,977.20/x
  3. Step 3: Cross multiply
    235,404.45x = 324,854.30 × 127,977.20
  4. Step 4: Simplify right side
    235,404.45x = 41,573,941,457.80
  5. Step 5: Solve for x
    x = 41,573,941,457.80/235,404.45
  6. Step 6: Final answer
    x = 176,606.44

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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.