Home / 171,216.91-236,374.35-103,251.10

Finding the Fourth Proportional to 171,216.91, 236,374.35 and 103,251.10

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Solution

The fourth proportional to 171,216.91, 236,374.35 and 103,251.10 is: 142,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,216.91 : 236,374.35 = 103,251.10 : x
  2. Step 2: Convert to fraction form
    171,216.91/236,374.35 = 103,251.10/x
  3. Step 3: Cross multiply
    171,216.91x = 236,374.35 × 103,251.10
  4. Step 4: Simplify right side
    171,216.91x = 24,405,911,695.15
  5. Step 5: Solve for x
    x = 24,405,911,695.15/171,216.91
  6. Step 6: Final answer
    x = 142,543.82

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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.