Home / 303,110.54-454,533.93-86,921.66

Finding the Fourth Proportional to 303,110.54, 454,533.93 and 86,921.66

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Solution

The fourth proportional to 303,110.54, 454,533.93 and 86,921.66 is: 130,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,110.54 : 454,533.93 = 86,921.66 : x
  2. Step 2: Convert to fraction form
    303,110.54/454,533.93 = 86,921.66/x
  3. Step 3: Cross multiply
    303,110.54x = 454,533.93 × 86,921.66
  4. Step 4: Simplify right side
    303,110.54x = 39,508,843,721.92
  5. Step 5: Solve for x
    x = 39,508,843,721.92/303,110.54
  6. Step 6: Final answer
    x = 130,344.67

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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.