Home / 305,321.22-457,983.02-127,703.64

Finding the Fourth Proportional to 305,321.22, 457,983.02 and 127,703.64

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Solution

The fourth proportional to 305,321.22, 457,983.02 and 127,703.64 is: 191,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,321.22 : 457,983.02 = 127,703.64 : x
  2. Step 2: Convert to fraction form
    305,321.22/457,983.02 = 127,703.64/x
  3. Step 3: Cross multiply
    305,321.22x = 457,983.02 × 127,703.64
  4. Step 4: Simplify right side
    305,321.22x = 58,486,098,712.19
  5. Step 5: Solve for x
    x = 58,486,098,712.19/305,321.22
  6. Step 6: Final answer
    x = 191,555.96

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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.