Home / 145,332.42-200,537.53-80,796.48

Finding the Fourth Proportional to 145,332.42, 200,537.53 and 80,796.48

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Solution

The fourth proportional to 145,332.42, 200,537.53 and 80,796.48 is: 111,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,332.42 : 200,537.53 = 80,796.48 : x
  2. Step 2: Convert to fraction form
    145,332.42/200,537.53 = 80,796.48/x
  3. Step 3: Cross multiply
    145,332.42x = 200,537.53 × 80,796.48
  4. Step 4: Simplify right side
    145,332.42x = 16,202,726,531.89
  5. Step 5: Solve for x
    x = 16,202,726,531.89/145,332.42
  6. Step 6: Final answer
    x = 111,487.35

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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.