Home / 296,744.60-445,117.45-72,105.22

Finding the Fourth Proportional to 296,744.60, 445,117.45 and 72,105.22

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Solution

The fourth proportional to 296,744.60, 445,117.45 and 72,105.22 is: 108,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,744.60 : 445,117.45 = 72,105.22 : x
  2. Step 2: Convert to fraction form
    296,744.60/445,117.45 = 72,105.22/x
  3. Step 3: Cross multiply
    296,744.60x = 445,117.45 × 72,105.22
  4. Step 4: Simplify right side
    296,744.60x = 32,095,291,658.09
  5. Step 5: Solve for x
    x = 32,095,291,658.09/296,744.60
  6. Step 6: Final answer
    x = 108,157.97

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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.