Home / 265,553.15-397,931.96-115,712.24

Finding the Fourth Proportional to 265,553.15, 397,931.96 and 115,712.24

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Solution

The fourth proportional to 265,553.15, 397,931.96 and 115,712.24 is: 173,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,553.15 : 397,931.96 = 115,712.24 : x
  2. Step 2: Convert to fraction form
    265,553.15/397,931.96 = 115,712.24/x
  3. Step 3: Cross multiply
    265,553.15x = 397,931.96 × 115,712.24
  4. Step 4: Simplify right side
    265,553.15x = 46,045,595,890.97
  5. Step 5: Solve for x
    x = 46,045,595,890.97/265,553.15
  6. Step 6: Final answer
    x = 173,395.03

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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.