Home / 127,715.22-191,581.48-48,837.78

Finding the Fourth Proportional to 127,715.22, 191,581.48 and 48,837.78

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Solution

The fourth proportional to 127,715.22, 191,581.48 and 48,837.78 is: 73,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.22 : 191,581.48 = 48,837.78 : x
  2. Step 2: Convert to fraction form
    127,715.22/191,581.48 = 48,837.78/x
  3. Step 3: Cross multiply
    127,715.22x = 191,581.48 × 48,837.78
  4. Step 4: Simplify right side
    127,715.22x = 9,356,414,172.31
  5. Step 5: Solve for x
    x = 9,356,414,172.31/127,715.22
  6. Step 6: Final answer
    x = 73,259.98

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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.