Home / 105,610.48-158,038.22-91,734

Finding the Fourth Proportional to 105,610.48, 158,038.22 and 91,734

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Solution

The fourth proportional to 105,610.48, 158,038.22 and 91,734 is: 137,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,610.48 : 158,038.22 = 91,734 : x
  2. Step 2: Convert to fraction form
    105,610.48/158,038.22 = 91,734/x
  3. Step 3: Cross multiply
    105,610.48x = 158,038.22 × 91,734
  4. Step 4: Simplify right side
    105,610.48x = 14,497,478,073.48
  5. Step 5: Solve for x
    x = 14,497,478,073.48/105,610.48
  6. Step 6: Final answer
    x = 137,273.10

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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.