Home / 146,985.12-220,506.84-53,498.16

Finding the Fourth Proportional to 146,985.12, 220,506.84 and 53,498.16

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Solution

The fourth proportional to 146,985.12, 220,506.84 and 53,498.16 is: 80,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,985.12 : 220,506.84 = 53,498.16 : x
  2. Step 2: Convert to fraction form
    146,985.12/220,506.84 = 53,498.16/x
  3. Step 3: Cross multiply
    146,985.12x = 220,506.84 × 53,498.16
  4. Step 4: Simplify right side
    146,985.12x = 11,796,710,207.41
  5. Step 5: Solve for x
    x = 11,796,710,207.41/146,985.12
  6. Step 6: Final answer
    x = 80,257.85

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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.