Home / 296,667.12-445,028.01-96,988.56

Finding the Fourth Proportional to 296,667.12, 445,028.01 and 96,988.56

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Solution

The fourth proportional to 296,667.12, 445,028.01 and 96,988.56 is: 145,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,667.12 : 445,028.01 = 96,988.56 : x
  2. Step 2: Convert to fraction form
    296,667.12/445,028.01 = 96,988.56/x
  3. Step 3: Cross multiply
    296,667.12x = 445,028.01 × 96,988.56
  4. Step 4: Simplify right side
    296,667.12x = 43,162,625,849.57
  5. Step 5: Solve for x
    x = 43,162,625,849.57/296,667.12
  6. Step 6: Final answer
    x = 145,491.77

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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.