Home / 296,909.11-445,364.57-72,269.56

Finding the Fourth Proportional to 296,909.11, 445,364.57 and 72,269.56

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Solution

The fourth proportional to 296,909.11, 445,364.57 and 72,269.56 is: 108,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,909.11 : 445,364.57 = 72,269.56 : x
  2. Step 2: Convert to fraction form
    296,909.11/445,364.57 = 72,269.56/x
  3. Step 3: Cross multiply
    296,909.11x = 445,364.57 × 72,269.56
  4. Step 4: Simplify right side
    296,909.11x = 32,186,301,513.49
  5. Step 5: Solve for x
    x = 32,186,301,513.49/296,909.11
  6. Step 6: Final answer
    x = 108,404.56

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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.