Home / 140,244.04-193,536.75-76,581.89

Finding the Fourth Proportional to 140,244.04, 193,536.75 and 76,581.89

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Solution

The fourth proportional to 140,244.04, 193,536.75 and 76,581.89 is: 105,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,244.04 : 193,536.75 = 76,581.89 : x
  2. Step 2: Convert to fraction form
    140,244.04/193,536.75 = 76,581.89/x
  3. Step 3: Cross multiply
    140,244.04x = 193,536.75 × 76,581.89
  4. Step 4: Simplify right side
    140,244.04x = 14,821,410,099.46
  5. Step 5: Solve for x
    x = 14,821,410,099.46/140,244.04
  6. Step 6: Final answer
    x = 105,682.99

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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.