Home / 106,196.12-159,392.64-53,642.48

Finding the Fourth Proportional to 106,196.12, 159,392.64 and 53,642.48

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Solution

The fourth proportional to 106,196.12, 159,392.64 and 53,642.48 is: 80,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,196.12 : 159,392.64 = 53,642.48 : x
  2. Step 2: Convert to fraction form
    106,196.12/159,392.64 = 53,642.48/x
  3. Step 3: Cross multiply
    106,196.12x = 159,392.64 × 53,642.48
  4. Step 4: Simplify right side
    106,196.12x = 8,550,216,503.35
  5. Step 5: Solve for x
    x = 8,550,216,503.35/106,196.12
  6. Step 6: Final answer
    x = 80,513.45

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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.