Home / 260,371.16-359,295.24-145,629.92

Finding the Fourth Proportional to 260,371.16, 359,295.24 and 145,629.92

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Solution

The fourth proportional to 260,371.16, 359,295.24 and 145,629.92 is: 200,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,371.16 : 359,295.24 = 145,629.92 : x
  2. Step 2: Convert to fraction form
    260,371.16/359,295.24 = 145,629.92/x
  3. Step 3: Cross multiply
    260,371.16x = 359,295.24 × 145,629.92
  4. Step 4: Simplify right side
    260,371.16x = 52,324,137,955.82
  5. Step 5: Solve for x
    x = 52,324,137,955.82/260,371.16
  6. Step 6: Final answer
    x = 200,959.81

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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.