Home / 106,490.28-146,963.30-61,182.76

Finding the Fourth Proportional to 106,490.28, 146,963.30 and 61,182.76

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Solution

The fourth proportional to 106,490.28, 146,963.30 and 61,182.76 is: 84,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,490.28 : 146,963.30 = 61,182.76 : x
  2. Step 2: Convert to fraction form
    106,490.28/146,963.30 = 61,182.76/x
  3. Step 3: Cross multiply
    106,490.28x = 146,963.30 × 61,182.76
  4. Step 4: Simplify right side
    106,490.28x = 8,991,620,312.71
  5. Step 5: Solve for x
    x = 8,991,620,312.71/106,490.28
  6. Step 6: Final answer
    x = 84,436.07

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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.