Home / 148,274.84-204,618.92-80,291.81

Finding the Fourth Proportional to 148,274.84, 204,618.92 and 80,291.81

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Solution

The fourth proportional to 148,274.84, 204,618.92 and 80,291.81 is: 110,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,274.84 : 204,618.92 = 80,291.81 : x
  2. Step 2: Convert to fraction form
    148,274.84/204,618.92 = 80,291.81/x
  3. Step 3: Cross multiply
    148,274.84x = 204,618.92 × 80,291.81
  4. Step 4: Simplify right side
    148,274.84x = 16,429,222,022.49
  5. Step 5: Solve for x
    x = 16,429,222,022.49/148,274.84
  6. Step 6: Final answer
    x = 110,802.50

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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.