Home / 296,901.90-445,346.62-72,263.59

Finding the Fourth Proportional to 296,901.90, 445,346.62 and 72,263.59

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Solution

The fourth proportional to 296,901.90, 445,346.62 and 72,263.59 is: 108,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,901.90 : 445,346.62 = 72,263.59 : x
  2. Step 2: Convert to fraction form
    296,901.90/445,346.62 = 72,263.59/x
  3. Step 3: Cross multiply
    296,901.90x = 445,346.62 × 72,263.59
  4. Step 4: Simplify right side
    296,901.90x = 32,182,344,261.54
  5. Step 5: Solve for x
    x = 32,182,344,261.54/296,901.90
  6. Step 6: Final answer
    x = 108,393.86

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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.