Home / 127,705.23-191,568.78-52,811.01

Finding the Fourth Proportional to 127,705.23, 191,568.78 and 52,811.01

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Solution

The fourth proportional to 127,705.23, 191,568.78 and 52,811.01 is: 79,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,705.23 : 191,568.78 = 52,811.01 : x
  2. Step 2: Convert to fraction form
    127,705.23/191,568.78 = 52,811.01/x
  3. Step 3: Cross multiply
    127,705.23x = 191,568.78 × 52,811.01
  4. Step 4: Simplify right side
    127,705.23x = 10,116,940,756.27
  5. Step 5: Solve for x
    x = 10,116,940,756.27/127,705.23
  6. Step 6: Final answer
    x = 79,221.04

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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.