Home / 265,973.10-398,614.94-108,018.06

Finding the Fourth Proportional to 265,973.10, 398,614.94 and 108,018.06

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Solution

The fourth proportional to 265,973.10, 398,614.94 and 108,018.06 is: 161,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,973.10 : 398,614.94 = 108,018.06 : x
  2. Step 2: Convert to fraction form
    265,973.10/398,614.94 = 108,018.06/x
  3. Step 3: Cross multiply
    265,973.10x = 398,614.94 × 108,018.06
  4. Step 4: Simplify right side
    265,973.10x = 43,057,610,512.74
  5. Step 5: Solve for x
    x = 43,057,610,512.74/265,973.10
  6. Step 6: Final answer
    x = 161,887.09

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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.