Home / 305,236.22-457,792.02-115,631.28

Finding the Fourth Proportional to 305,236.22, 457,792.02 and 115,631.28

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Solution

The fourth proportional to 305,236.22, 457,792.02 and 115,631.28 is: 173,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,236.22 : 457,792.02 = 115,631.28 : x
  2. Step 2: Convert to fraction form
    305,236.22/457,792.02 = 115,631.28/x
  3. Step 3: Cross multiply
    305,236.22x = 457,792.02 × 115,631.28
  4. Step 4: Simplify right side
    305,236.22x = 52,935,077,246.39
  5. Step 5: Solve for x
    x = 52,935,077,246.39/305,236.22
  6. Step 6: Final answer
    x = 173,423.32

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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.