Home / 277,631.96-416,619.27-109,122.71

Finding the Fourth Proportional to 277,631.96, 416,619.27 and 109,122.71

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Solution

The fourth proportional to 277,631.96, 416,619.27 and 109,122.71 is: 163,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,631.96 : 416,619.27 = 109,122.71 : x
  2. Step 2: Convert to fraction form
    277,631.96/416,619.27 = 109,122.71/x
  3. Step 3: Cross multiply
    277,631.96x = 416,619.27 × 109,122.71
  4. Step 4: Simplify right side
    277,631.96x = 45,462,621,697.53
  5. Step 5: Solve for x
    x = 45,462,621,697.53/277,631.96
  6. Step 6: Final answer
    x = 163,751.40

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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.