Home / 131,714.22-181,644.87-88,030.50

Finding the Fourth Proportional to 131,714.22, 181,644.87 and 88,030.50

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Solution

The fourth proportional to 131,714.22, 181,644.87 and 88,030.50 is: 121,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,714.22 : 181,644.87 = 88,030.50 : x
  2. Step 2: Convert to fraction form
    131,714.22/181,644.87 = 88,030.50/x
  3. Step 3: Cross multiply
    131,714.22x = 181,644.87 × 88,030.50
  4. Step 4: Simplify right side
    131,714.22x = 15,990,288,728.54
  5. Step 5: Solve for x
    x = 15,990,288,728.54/131,714.22
  6. Step 6: Final answer
    x = 121,401.38

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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.