Home / 143,941.15-198,736.64-93,076.93

Finding the Fourth Proportional to 143,941.15, 198,736.64 and 93,076.93

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Solution

The fourth proportional to 143,941.15, 198,736.64 and 93,076.93 is: 128,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,941.15 : 198,736.64 = 93,076.93 : x
  2. Step 2: Convert to fraction form
    143,941.15/198,736.64 = 93,076.93/x
  3. Step 3: Cross multiply
    143,941.15x = 198,736.64 × 93,076.93
  4. Step 4: Simplify right side
    143,941.15x = 18,497,796,329.72
  5. Step 5: Solve for x
    x = 18,497,796,329.72/143,941.15
  6. Step 6: Final answer
    x = 128,509.44

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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.