Home / 147,643.24-221,500.14-47,803.54

Finding the Fourth Proportional to 147,643.24, 221,500.14 and 47,803.54

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Solution

The fourth proportional to 147,643.24, 221,500.14 and 47,803.54 is: 71,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,643.24 : 221,500.14 = 47,803.54 : x
  2. Step 2: Convert to fraction form
    147,643.24/221,500.14 = 47,803.54/x
  3. Step 3: Cross multiply
    147,643.24x = 221,500.14 × 47,803.54
  4. Step 4: Simplify right side
    147,643.24x = 10,588,491,107.76
  5. Step 5: Solve for x
    x = 10,588,491,107.76/147,643.24
  6. Step 6: Final answer
    x = 71,716.74

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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.