Home / 113,803.18-157,010.92-73,540.66

Finding the Fourth Proportional to 113,803.18, 157,010.92 and 73,540.66

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Solution

The fourth proportional to 113,803.18, 157,010.92 and 73,540.66 is: 101,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,803.18 : 157,010.92 = 73,540.66 : x
  2. Step 2: Convert to fraction form
    113,803.18/157,010.92 = 73,540.66/x
  3. Step 3: Cross multiply
    113,803.18x = 157,010.92 × 73,540.66
  4. Step 4: Simplify right side
    113,803.18x = 11,546,686,684.01
  5. Step 5: Solve for x
    x = 11,546,686,684.01/113,803.18
  6. Step 6: Final answer
    x = 101,461.90

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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.