Home / 246,923.01-370,346.61-78,421.53

Finding the Fourth Proportional to 246,923.01, 370,346.61 and 78,421.53

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Solution

The fourth proportional to 246,923.01, 370,346.61 and 78,421.53 is: 117,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,923.01 : 370,346.61 = 78,421.53 : x
  2. Step 2: Convert to fraction form
    246,923.01/370,346.61 = 78,421.53/x
  3. Step 3: Cross multiply
    246,923.01x = 370,346.61 × 78,421.53
  4. Step 4: Simplify right side
    246,923.01x = 29,043,147,786.51
  5. Step 5: Solve for x
    x = 29,043,147,786.51/246,923.01
  6. Step 6: Final answer
    x = 117,620.26

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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.