Home / 143,930.94-215,844.54-60,831.42

Finding the Fourth Proportional to 143,930.94, 215,844.54 and 60,831.42

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Solution

The fourth proportional to 143,930.94, 215,844.54 and 60,831.42 is: 91,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,930.94 : 215,844.54 = 60,831.42 : x
  2. Step 2: Convert to fraction form
    143,930.94/215,844.54 = 60,831.42/x
  3. Step 3: Cross multiply
    143,930.94x = 215,844.54 × 60,831.42
  4. Step 4: Simplify right side
    143,930.94x = 13,130,129,867.45
  5. Step 5: Solve for x
    x = 13,130,129,867.45/143,930.94
  6. Step 6: Final answer
    x = 91,225.21

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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.