Home / 368,313.02-552,480.21-143,664.38

Finding the Fourth Proportional to 368,313.02, 552,480.21 and 143,664.38

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Solution

The fourth proportional to 368,313.02, 552,480.21 and 143,664.38 is: 215,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,313.02 : 552,480.21 = 143,664.38 : x
  2. Step 2: Convert to fraction form
    368,313.02/552,480.21 = 143,664.38/x
  3. Step 3: Cross multiply
    368,313.02x = 552,480.21 × 143,664.38
  4. Step 4: Simplify right side
    368,313.02x = 79,371,726,831.92
  5. Step 5: Solve for x
    x = 79,371,726,831.92/368,313.02
  6. Step 6: Final answer
    x = 215,500.74

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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.