Home / 288,540.74-432,833.44-96,415.83

Finding the Fourth Proportional to 288,540.74, 432,833.44 and 96,415.83

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Solution

The fourth proportional to 288,540.74, 432,833.44 and 96,415.83 is: 144,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,540.74 : 432,833.44 = 96,415.83 : x
  2. Step 2: Convert to fraction form
    288,540.74/432,833.44 = 96,415.83/x
  3. Step 3: Cross multiply
    288,540.74x = 432,833.44 × 96,415.83
  4. Step 4: Simplify right side
    288,540.74x = 41,731,993,889.83
  5. Step 5: Solve for x
    x = 41,731,993,889.83/288,540.74
  6. Step 6: Final answer
    x = 144,631.20

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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.