Home / 140,513.04-193,909.50-76,849.47

Finding the Fourth Proportional to 140,513.04, 193,909.50 and 76,849.47

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Solution

The fourth proportional to 140,513.04, 193,909.50 and 76,849.47 is: 106,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,513.04 : 193,909.50 = 76,849.47 : x
  2. Step 2: Convert to fraction form
    140,513.04/193,909.50 = 76,849.47/x
  3. Step 3: Cross multiply
    140,513.04x = 193,909.50 × 76,849.47
  4. Step 4: Simplify right side
    140,513.04x = 14,901,842,302.97
  5. Step 5: Solve for x
    x = 14,901,842,302.97/140,513.04
  6. Step 6: Final answer
    x = 106,053.09

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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.