Home / 127,606.87-191,269.35-52,685.71

Finding the Fourth Proportional to 127,606.87, 191,269.35 and 52,685.71

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Solution

The fourth proportional to 127,606.87, 191,269.35 and 52,685.71 is: 78,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,606.87 : 191,269.35 = 52,685.71 : x
  2. Step 2: Convert to fraction form
    127,606.87/191,269.35 = 52,685.71/x
  3. Step 3: Cross multiply
    127,606.87x = 191,269.35 × 52,685.71
  4. Step 4: Simplify right side
    127,606.87x = 10,077,161,505.99
  5. Step 5: Solve for x
    x = 10,077,161,505.99/127,606.87
  6. Step 6: Final answer
    x = 78,970.37

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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.