Home / 118,382.63-163,367.06-64,667.66

Finding the Fourth Proportional to 118,382.63, 163,367.06 and 64,667.66

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Solution

The fourth proportional to 118,382.63, 163,367.06 and 64,667.66 is: 89,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,382.63 : 163,367.06 = 64,667.66 : x
  2. Step 2: Convert to fraction form
    118,382.63/163,367.06 = 64,667.66/x
  3. Step 3: Cross multiply
    118,382.63x = 163,367.06 × 64,667.66
  4. Step 4: Simplify right side
    118,382.63x = 10,564,564,351.11
  5. Step 5: Solve for x
    x = 10,564,564,351.11/118,382.63
  6. Step 6: Final answer
    x = 89,240.84

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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.