Home / 291,568.04-437,377.10-81,205.96

Finding the Fourth Proportional to 291,568.04, 437,377.10 and 81,205.96

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Solution

The fourth proportional to 291,568.04, 437,377.10 and 81,205.96 is: 121,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,568.04 : 437,377.10 = 81,205.96 : x
  2. Step 2: Convert to fraction form
    291,568.04/437,377.10 = 81,205.96/x
  3. Step 3: Cross multiply
    291,568.04x = 437,377.10 × 81,205.96
  4. Step 4: Simplify right side
    291,568.04x = 35,517,627,287.52
  5. Step 5: Solve for x
    x = 35,517,627,287.52/291,568.04
  6. Step 6: Final answer
    x = 121,815.91

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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.