Home / 103,263.66-154,877.07-65,712.27

Finding the Fourth Proportional to 103,263.66, 154,877.07 and 65,712.27

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Solution

The fourth proportional to 103,263.66, 154,877.07 and 65,712.27 is: 98,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,263.66 : 154,877.07 = 65,712.27 : x
  2. Step 2: Convert to fraction form
    103,263.66/154,877.07 = 65,712.27/x
  3. Step 3: Cross multiply
    103,263.66x = 154,877.07 × 65,712.27
  4. Step 4: Simplify right side
    103,263.66x = 10,177,323,840.65
  5. Step 5: Solve for x
    x = 10,177,323,840.65/103,263.66
  6. Step 6: Final answer
    x = 98,556.68

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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.