Home / 113,148.41-169,722.60-28,908.74

Finding the Fourth Proportional to 113,148.41, 169,722.60 and 28,908.74

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Solution

The fourth proportional to 113,148.41, 169,722.60 and 28,908.74 is: 43,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,148.41 : 169,722.60 = 28,908.74 : x
  2. Step 2: Convert to fraction form
    113,148.41/169,722.60 = 28,908.74/x
  3. Step 3: Cross multiply
    113,148.41x = 169,722.60 × 28,908.74
  4. Step 4: Simplify right side
    113,148.41x = 4,906,466,939.83
  5. Step 5: Solve for x
    x = 4,906,466,939.83/113,148.41
  6. Step 6: Final answer
    x = 43,363.11

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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.