Home / 143,851.76-215,777.64-50,384.24

Finding the Fourth Proportional to 143,851.76, 215,777.64 and 50,384.24

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Solution

The fourth proportional to 143,851.76, 215,777.64 and 50,384.24 is: 75,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,851.76 : 215,777.64 = 50,384.24 : x
  2. Step 2: Convert to fraction form
    143,851.76/215,777.64 = 50,384.24/x
  3. Step 3: Cross multiply
    143,851.76x = 215,777.64 × 50,384.24
  4. Step 4: Simplify right side
    143,851.76x = 10,871,792,400.39
  5. Step 5: Solve for x
    x = 10,871,792,400.39/143,851.76
  6. Step 6: Final answer
    x = 75,576.36

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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.