Home / 145,364.52-200,613.60-88,786.56

Finding the Fourth Proportional to 145,364.52, 200,613.60 and 88,786.56

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Solution

The fourth proportional to 145,364.52, 200,613.60 and 88,786.56 is: 122,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,364.52 : 200,613.60 = 88,786.56 : x
  2. Step 2: Convert to fraction form
    145,364.52/200,613.60 = 88,786.56/x
  3. Step 3: Cross multiply
    145,364.52x = 200,613.60 × 88,786.56
  4. Step 4: Simplify right side
    145,364.52x = 17,811,791,433.22
  5. Step 5: Solve for x
    x = 17,811,791,433.22/145,364.52
  6. Step 6: Final answer
    x = 122,531.90

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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.