Home / 146,783.61-220,262.89-53,296.65

Finding the Fourth Proportional to 146,783.61, 220,262.89 and 53,296.65

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Solution

The fourth proportional to 146,783.61, 220,262.89 and 53,296.65 is: 79,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.61 : 220,262.89 = 53,296.65 : x
  2. Step 2: Convert to fraction form
    146,783.61/220,262.89 = 53,296.65/x
  3. Step 3: Cross multiply
    146,783.61x = 220,262.89 × 53,296.65
  4. Step 4: Simplify right side
    146,783.61x = 11,739,274,156.32
  5. Step 5: Solve for x
    x = 11,739,274,156.32/146,783.61
  6. Step 6: Final answer
    x = 79,976.74

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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.