Home / 143,536.86-198,077.76-83,110.14

Finding the Fourth Proportional to 143,536.86, 198,077.76 and 83,110.14

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Solution

The fourth proportional to 143,536.86, 198,077.76 and 83,110.14 is: 114,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,536.86 : 198,077.76 = 83,110.14 : x
  2. Step 2: Convert to fraction form
    143,536.86/198,077.76 = 83,110.14/x
  3. Step 3: Cross multiply
    143,536.86x = 198,077.76 × 83,110.14
  4. Step 4: Simplify right side
    143,536.86x = 16,462,270,364.49
  5. Step 5: Solve for x
    x = 16,462,270,364.49/143,536.86
  6. Step 6: Final answer
    x = 114,690.19

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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.