Home / 148,836.84-205,401.98-91,478.67

Finding the Fourth Proportional to 148,836.84, 205,401.98 and 91,478.67

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Solution

The fourth proportional to 148,836.84, 205,401.98 and 91,478.67 is: 126,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,836.84 : 205,401.98 = 91,478.67 : x
  2. Step 2: Convert to fraction form
    148,836.84/205,401.98 = 91,478.67/x
  3. Step 3: Cross multiply
    148,836.84x = 205,401.98 × 91,478.67
  4. Step 4: Simplify right side
    148,836.84x = 18,789,898,889.64
  5. Step 5: Solve for x
    x = 18,789,898,889.64/148,836.84
  6. Step 6: Final answer
    x = 126,244.94

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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.