Home / 296,889.22-445,330.05-72,250.03

Finding the Fourth Proportional to 296,889.22, 445,330.05 and 72,250.03

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Solution

The fourth proportional to 296,889.22, 445,330.05 and 72,250.03 is: 108,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,889.22 : 445,330.05 = 72,250.03 : x
  2. Step 2: Convert to fraction form
    296,889.22/445,330.05 = 72,250.03/x
  3. Step 3: Cross multiply
    296,889.22x = 445,330.05 × 72,250.03
  4. Step 4: Simplify right side
    296,889.22x = 32,175,109,472.40
  5. Step 5: Solve for x
    x = 32,175,109,472.40/296,889.22
  6. Step 6: Final answer
    x = 108,374.13

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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.