Home / 178,816.42-246,664.01-111,631.78

Finding the Fourth Proportional to 178,816.42, 246,664.01 and 111,631.78

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Solution

The fourth proportional to 178,816.42, 246,664.01 and 111,631.78 is: 153,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,816.42 : 246,664.01 = 111,631.78 : x
  2. Step 2: Convert to fraction form
    178,816.42/246,664.01 = 111,631.78/x
  3. Step 3: Cross multiply
    178,816.42x = 246,664.01 × 111,631.78
  4. Step 4: Simplify right side
    178,816.42x = 27,535,543,085.65
  5. Step 5: Solve for x
    x = 27,535,543,085.65/178,816.42
  6. Step 6: Final answer
    x = 153,987.78

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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.