Home / 105,651.47-158,674.64-93,005.75

Finding the Fourth Proportional to 105,651.47, 158,674.64 and 93,005.75

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Solution

The fourth proportional to 105,651.47, 158,674.64 and 93,005.75 is: 139,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,651.47 : 158,674.64 = 93,005.75 : x
  2. Step 2: Convert to fraction form
    105,651.47/158,674.64 = 93,005.75/x
  3. Step 3: Cross multiply
    105,651.47x = 158,674.64 × 93,005.75
  4. Step 4: Simplify right side
    105,651.47x = 14,757,652,640.78
  5. Step 5: Solve for x
    x = 14,757,652,640.78/105,651.47
  6. Step 6: Final answer
    x = 139,682.42

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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.