Home / 127,435.16-191,175.72-52,513.60

Finding the Fourth Proportional to 127,435.16, 191,175.72 and 52,513.60

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Solution

The fourth proportional to 127,435.16, 191,175.72 and 52,513.60 is: 78,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,435.16 : 191,175.72 = 52,513.60 : x
  2. Step 2: Convert to fraction form
    127,435.16/191,175.72 = 52,513.60/x
  3. Step 3: Cross multiply
    127,435.16x = 191,175.72 × 52,513.60
  4. Step 4: Simplify right side
    127,435.16x = 10,039,324,614.93
  5. Step 5: Solve for x
    x = 10,039,324,614.93/127,435.16
  6. Step 6: Final answer
    x = 78,779.87

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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.