Home / 144,490.10-216,768.99-60,305.30

Finding the Fourth Proportional to 144,490.10, 216,768.99 and 60,305.30

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Solution

The fourth proportional to 144,490.10, 216,768.99 and 60,305.30 is: 90,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,490.10 : 216,768.99 = 60,305.30 : x
  2. Step 2: Convert to fraction form
    144,490.10/216,768.99 = 60,305.30/x
  3. Step 3: Cross multiply
    144,490.10x = 216,768.99 × 60,305.30
  4. Step 4: Simplify right side
    144,490.10x = 13,072,318,972.65
  5. Step 5: Solve for x
    x = 13,072,318,972.65/144,490.10
  6. Step 6: Final answer
    x = 90,472.07

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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.