Home / 133,781.42-200,703.03-45,032.66

Finding the Fourth Proportional to 133,781.42, 200,703.03 and 45,032.66

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Solution

The fourth proportional to 133,781.42, 200,703.03 and 45,032.66 is: 67,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,781.42 : 200,703.03 = 45,032.66 : x
  2. Step 2: Convert to fraction form
    133,781.42/200,703.03 = 45,032.66/x
  3. Step 3: Cross multiply
    133,781.42x = 200,703.03 × 45,032.66
  4. Step 4: Simplify right side
    133,781.42x = 9,038,191,310.96
  5. Step 5: Solve for x
    x = 9,038,191,310.96/133,781.42
  6. Step 6: Final answer
    x = 67,559.39

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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.