Home / 118,147.62-163,060.38-70,401.90

Finding the Fourth Proportional to 118,147.62, 163,060.38 and 70,401.90

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Solution

The fourth proportional to 118,147.62, 163,060.38 and 70,401.90 is: 97,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,147.62 : 163,060.38 = 70,401.90 : x
  2. Step 2: Convert to fraction form
    118,147.62/163,060.38 = 70,401.90/x
  3. Step 3: Cross multiply
    118,147.62x = 163,060.38 × 70,401.90
  4. Step 4: Simplify right side
    118,147.62x = 11,479,760,566.72
  5. Step 5: Solve for x
    x = 11,479,760,566.72/118,147.62
  6. Step 6: Final answer
    x = 97,164.55

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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.