Home / 119,840.02-165,373.68-68,816.85

Finding the Fourth Proportional to 119,840.02, 165,373.68 and 68,816.85

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Solution

The fourth proportional to 119,840.02, 165,373.68 and 68,816.85 is: 94,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,840.02 : 165,373.68 = 68,816.85 : x
  2. Step 2: Convert to fraction form
    119,840.02/165,373.68 = 68,816.85/x
  3. Step 3: Cross multiply
    119,840.02x = 165,373.68 × 68,816.85
  4. Step 4: Simplify right side
    119,840.02x = 11,380,496,298.65
  5. Step 5: Solve for x
    x = 11,380,496,298.65/119,840.02
  6. Step 6: Final answer
    x = 94,964.07

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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.