Home / 143,582.77-198,091.08-143,361.34

Finding the Fourth Proportional to 143,582.77, 198,091.08 and 143,361.34

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Solution

The fourth proportional to 143,582.77, 198,091.08 and 143,361.34 is: 197,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,582.77 : 198,091.08 = 143,361.34 : x
  2. Step 2: Convert to fraction form
    143,582.77/198,091.08 = 143,361.34/x
  3. Step 3: Cross multiply
    143,582.77x = 198,091.08 × 143,361.34
  4. Step 4: Simplify right side
    143,582.77x = 28,398,602,670.85
  5. Step 5: Solve for x
    x = 28,398,602,670.85/143,582.77
  6. Step 6: Final answer
    x = 197,785.59

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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.