Home / 127,416.10-191,147.10-52,495.28

Finding the Fourth Proportional to 127,416.10, 191,147.10 and 52,495.28

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Solution

The fourth proportional to 127,416.10, 191,147.10 and 52,495.28 is: 78,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,416.10 : 191,147.10 = 52,495.28 : x
  2. Step 2: Convert to fraction form
    127,416.10/191,147.10 = 52,495.28/x
  3. Step 3: Cross multiply
    127,416.10x = 191,147.10 × 52,495.28
  4. Step 4: Simplify right side
    127,416.10x = 10,034,320,535.69
  5. Step 5: Solve for x
    x = 10,034,320,535.69/127,416.10
  6. Step 6: Final answer
    x = 78,752.38

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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.