Home / 118,264.27-163,203.37-67,275.81

Finding the Fourth Proportional to 118,264.27, 163,203.37 and 67,275.81

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Solution

The fourth proportional to 118,264.27, 163,203.37 and 67,275.81 is: 92,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,264.27 : 163,203.37 = 67,275.81 : x
  2. Step 2: Convert to fraction form
    118,264.27/163,203.37 = 67,275.81/x
  3. Step 3: Cross multiply
    118,264.27x = 163,203.37 × 67,275.81
  4. Step 4: Simplify right side
    118,264.27x = 10,979,638,575.10
  5. Step 5: Solve for x
    x = 10,979,638,575.10/118,264.27
  6. Step 6: Final answer
    x = 92,839.86

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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.