Home / 118,331.30-163,204.88-75,893.06

Finding the Fourth Proportional to 118,331.30, 163,204.88 and 75,893.06

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Solution

The fourth proportional to 118,331.30, 163,204.88 and 75,893.06 is: 104,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,331.30 : 163,204.88 = 75,893.06 : x
  2. Step 2: Convert to fraction form
    118,331.30/163,204.88 = 75,893.06/x
  3. Step 3: Cross multiply
    118,331.30x = 163,204.88 × 75,893.06
  4. Step 4: Simplify right side
    118,331.30x = 12,386,117,750.13
  5. Step 5: Solve for x
    x = 12,386,117,750.13/118,331.30
  6. Step 6: Final answer
    x = 104,673.22

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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.