Home / 239,024.78-358,533.93-81,363.14

Finding the Fourth Proportional to 239,024.78, 358,533.93 and 81,363.14

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Solution

The fourth proportional to 239,024.78, 358,533.93 and 81,363.14 is: 122,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,024.78 : 358,533.93 = 81,363.14 : x
  2. Step 2: Convert to fraction form
    239,024.78/358,533.93 = 81,363.14/x
  3. Step 3: Cross multiply
    239,024.78x = 358,533.93 × 81,363.14
  4. Step 4: Simplify right side
    239,024.78x = 29,171,446,341.34
  5. Step 5: Solve for x
    x = 29,171,446,341.34/239,024.78
  6. Step 6: Final answer
    x = 122,043.61

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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.