Home / 140,206.14-193,488.53-76,548.03

Finding the Fourth Proportional to 140,206.14, 193,488.53 and 76,548.03

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Solution

The fourth proportional to 140,206.14, 193,488.53 and 76,548.03 is: 105,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,206.14 : 193,488.53 = 76,548.03 : x
  2. Step 2: Convert to fraction form
    140,206.14/193,488.53 = 76,548.03/x
  3. Step 3: Cross multiply
    140,206.14x = 193,488.53 × 76,548.03
  4. Step 4: Simplify right side
    140,206.14x = 14,811,165,416.36
  5. Step 5: Solve for x
    x = 14,811,165,416.36/140,206.14
  6. Step 6: Final answer
    x = 105,638.49

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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.