Home / 155,154.87-214,040.48-132,734.70

Finding the Fourth Proportional to 155,154.87, 214,040.48 and 132,734.70

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Solution

The fourth proportional to 155,154.87, 214,040.48 and 132,734.70 is: 183,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,154.87 : 214,040.48 = 132,734.70 : x
  2. Step 2: Convert to fraction form
    155,154.87/214,040.48 = 132,734.70/x
  3. Step 3: Cross multiply
    155,154.87x = 214,040.48 × 132,734.70
  4. Step 4: Simplify right side
    155,154.87x = 28,410,598,236.98
  5. Step 5: Solve for x
    x = 28,410,598,236.98/155,154.87
  6. Step 6: Final answer
    x = 183,111.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.