Home / 174,511.28-261,733.78-48,120.28

Finding the Fourth Proportional to 174,511.28, 261,733.78 and 48,120.28

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Solution

The fourth proportional to 174,511.28, 261,733.78 and 48,120.28 is: 72,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,511.28 : 261,733.78 = 48,120.28 : x
  2. Step 2: Convert to fraction form
    174,511.28/261,733.78 = 48,120.28/x
  3. Step 3: Cross multiply
    174,511.28x = 261,733.78 × 48,120.28
  4. Step 4: Simplify right side
    174,511.28x = 12,594,702,779.06
  5. Step 5: Solve for x
    x = 12,594,702,779.06/174,511.28
  6. Step 6: Final answer
    x = 72,171.28

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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.