Home / 137,110.73-205,670.66-47,152.56

Finding the Fourth Proportional to 137,110.73, 205,670.66 and 47,152.56

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Solution

The fourth proportional to 137,110.73, 205,670.66 and 47,152.56 is: 70,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,110.73 : 205,670.66 = 47,152.56 : x
  2. Step 2: Convert to fraction form
    137,110.73/205,670.66 = 47,152.56/x
  3. Step 3: Cross multiply
    137,110.73x = 205,670.66 × 47,152.56
  4. Step 4: Simplify right side
    137,110.73x = 9,697,897,900.13
  5. Step 5: Solve for x
    x = 9,697,897,900.13/137,110.73
  6. Step 6: Final answer
    x = 70,730.41

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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.