Home / 102,811.95-153,791.42-96,513.39

Finding the Fourth Proportional to 102,811.95, 153,791.42 and 96,513.39

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Solution

The fourth proportional to 102,811.95, 153,791.42 and 96,513.39 is: 144,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,811.95 : 153,791.42 = 96,513.39 : x
  2. Step 2: Convert to fraction form
    102,811.95/153,791.42 = 96,513.39/x
  3. Step 3: Cross multiply
    102,811.95x = 153,791.42 × 96,513.39
  4. Step 4: Simplify right side
    102,811.95x = 14,842,930,814.55
  5. Step 5: Solve for x
    x = 14,842,930,814.55/102,811.95
  6. Step 6: Final answer
    x = 144,369.70

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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.