Home / 286,817.26-395,817.42-157,761.10

Finding the Fourth Proportional to 286,817.26, 395,817.42 and 157,761.10

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Solution

The fourth proportional to 286,817.26, 395,817.42 and 157,761.10 is: 217,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,817.26 : 395,817.42 = 157,761.10 : x
  2. Step 2: Convert to fraction form
    286,817.26/395,817.42 = 157,761.10/x
  3. Step 3: Cross multiply
    286,817.26x = 395,817.42 × 157,761.10
  4. Step 4: Simplify right side
    286,817.26x = 62,444,591,578.36
  5. Step 5: Solve for x
    x = 62,444,591,578.36/286,817.26
  6. Step 6: Final answer
    x = 217,715.60

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1.5x scale

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.