Home / 175,292.05-262,848-80,440.57

Finding the Fourth Proportional to 175,292.05, 262,848 and 80,440.57

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Solution

The fourth proportional to 175,292.05, 262,848 and 80,440.57 is: 120,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,292.05 : 262,848 = 80,440.57 : x
  2. Step 2: Convert to fraction form
    175,292.05/262,848 = 80,440.57/x
  3. Step 3: Cross multiply
    175,292.05x = 262,848 × 80,440.57
  4. Step 4: Simplify right side
    175,292.05x = 21,143,642,943.36
  5. Step 5: Solve for x
    x = 21,143,642,943.36/175,292.05
  6. Step 6: Final answer
    x = 120,619.52

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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.