Home / 118,329.30-163,202.13-75,891.06

Finding the Fourth Proportional to 118,329.30, 163,202.13 and 75,891.06

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Solution

The fourth proportional to 118,329.30, 163,202.13 and 75,891.06 is: 104,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329.30 : 163,202.13 = 75,891.06 : x
  2. Step 2: Convert to fraction form
    118,329.30/163,202.13 = 75,891.06/x
  3. Step 3: Cross multiply
    118,329.30x = 163,202.13 × 75,891.06
  4. Step 4: Simplify right side
    118,329.30x = 12,385,582,639.96
  5. Step 5: Solve for x
    x = 12,385,582,639.96/118,329.30
  6. Step 6: Final answer
    x = 104,670.46

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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.