Home / 118,375.13-163,356.71-64,660.16

Finding the Fourth Proportional to 118,375.13, 163,356.71 and 64,660.16

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Solution

The fourth proportional to 118,375.13, 163,356.71 and 64,660.16 is: 89,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.13 : 163,356.71 = 64,660.16 : x
  2. Step 2: Convert to fraction form
    118,375.13/163,356.71 = 64,660.16/x
  3. Step 3: Cross multiply
    118,375.13x = 163,356.71 × 64,660.16
  4. Step 4: Simplify right side
    118,375.13x = 10,562,669,865.59
  5. Step 5: Solve for x
    x = 10,562,669,865.59/118,375.13
  6. Step 6: Final answer
    x = 89,230.49

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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.