Home / 106,400.16-159,129.66-94,636.47

Finding the Fourth Proportional to 106,400.16, 159,129.66 and 94,636.47

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Solution

The fourth proportional to 106,400.16, 159,129.66 and 94,636.47 is: 141,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,400.16 : 159,129.66 = 94,636.47 : x
  2. Step 2: Convert to fraction form
    106,400.16/159,129.66 = 94,636.47/x
  3. Step 3: Cross multiply
    106,400.16x = 159,129.66 × 94,636.47
  4. Step 4: Simplify right side
    106,400.16x = 15,059,469,294.70
  5. Step 5: Solve for x
    x = 15,059,469,294.70/106,400.16
  6. Step 6: Final answer
    x = 141,536.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.