Home / 312,179.22-430,826.79-176,236.20

Finding the Fourth Proportional to 312,179.22, 430,826.79 and 176,236.20

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Solution

The fourth proportional to 312,179.22, 430,826.79 and 176,236.20 is: 243,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,179.22 : 430,826.79 = 176,236.20 : x
  2. Step 2: Convert to fraction form
    312,179.22/430,826.79 = 176,236.20/x
  3. Step 3: Cross multiply
    312,179.22x = 430,826.79 × 176,236.20
  4. Step 4: Simplify right side
    312,179.22x = 75,927,276,327.80
  5. Step 5: Solve for x
    x = 75,927,276,327.80/312,179.22
  6. Step 6: Final answer
    x = 243,216.95

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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.