Home / 127,600.87-191,260.35-52,679.71

Finding the Fourth Proportional to 127,600.87, 191,260.35 and 52,679.71

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Solution

The fourth proportional to 127,600.87, 191,260.35 and 52,679.71 is: 78,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,600.87 : 191,260.35 = 52,679.71 : x
  2. Step 2: Convert to fraction form
    127,600.87/191,260.35 = 52,679.71/x
  3. Step 3: Cross multiply
    127,600.87x = 191,260.35 × 52,679.71
  4. Step 4: Simplify right side
    127,600.87x = 10,075,539,772.50
  5. Step 5: Solve for x
    x = 10,075,539,772.50/127,600.87
  6. Step 6: Final answer
    x = 78,961.37

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1.5x scale

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.