Home / 144,579.90-216,859.05-60,318.30

Finding the Fourth Proportional to 144,579.90, 216,859.05 and 60,318.30

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Solution

The fourth proportional to 144,579.90, 216,859.05 and 60,318.30 is: 90,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.90 : 216,859.05 = 60,318.30 : x
  2. Step 2: Convert to fraction form
    144,579.90/216,859.05 = 60,318.30/x
  3. Step 3: Cross multiply
    144,579.90x = 216,859.05 × 60,318.30
  4. Step 4: Simplify right side
    144,579.90x = 13,080,569,235.62
  5. Step 5: Solve for x
    x = 13,080,569,235.62/144,579.90
  6. Step 6: Final answer
    x = 90,472.94

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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.