Home / 239,533.45-330,650.63-144,021.69

Finding the Fourth Proportional to 239,533.45, 330,650.63 and 144,021.69

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Solution

The fourth proportional to 239,533.45, 330,650.63 and 144,021.69 is: 198,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,533.45 : 330,650.63 = 144,021.69 : x
  2. Step 2: Convert to fraction form
    239,533.45/330,650.63 = 144,021.69/x
  3. Step 3: Cross multiply
    239,533.45x = 330,650.63 × 144,021.69
  4. Step 4: Simplify right side
    239,533.45x = 47,620,862,532.16
  5. Step 5: Solve for x
    x = 47,620,862,532.16/239,533.45
  6. Step 6: Final answer
    x = 198,806.73

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1.5x scale

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.