Home / 238,078.83-328,558.24-130,652.72

Finding the Fourth Proportional to 238,078.83, 328,558.24 and 130,652.72

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Solution

The fourth proportional to 238,078.83, 328,558.24 and 130,652.72 is: 180,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,078.83 : 328,558.24 = 130,652.72 : x
  2. Step 2: Convert to fraction form
    238,078.83/328,558.24 = 130,652.72/x
  3. Step 3: Cross multiply
    238,078.83x = 328,558.24 × 130,652.72
  4. Step 4: Simplify right side
    238,078.83x = 42,927,027,734.41
  5. Step 5: Solve for x
    x = 42,927,027,734.41/238,078.83
  6. Step 6: Final answer
    x = 180,305.94

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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.