Home / 190,344.47-285,552.74-76,501.11

Finding the Fourth Proportional to 190,344.47, 285,552.74 and 76,501.11

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Solution

The fourth proportional to 190,344.47, 285,552.74 and 76,501.11 is: 114,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,344.47 : 285,552.74 = 76,501.11 : x
  2. Step 2: Convert to fraction form
    190,344.47/285,552.74 = 76,501.11/x
  3. Step 3: Cross multiply
    190,344.47x = 285,552.74 × 76,501.11
  4. Step 4: Simplify right side
    190,344.47x = 21,845,101,229.38
  5. Step 5: Solve for x
    x = 21,845,101,229.38/190,344.47
  6. Step 6: Final answer
    x = 114,766.15

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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.