Home / 265,083.18-397,637.90-75,571.46

Finding the Fourth Proportional to 265,083.18, 397,637.90 and 75,571.46

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Solution

The fourth proportional to 265,083.18, 397,637.90 and 75,571.46 is: 113,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,083.18 : 397,637.90 = 75,571.46 : x
  2. Step 2: Convert to fraction form
    265,083.18/397,637.90 = 75,571.46/x
  3. Step 3: Cross multiply
    265,083.18x = 397,637.90 × 75,571.46
  4. Step 4: Simplify right side
    265,083.18x = 30,050,078,512.08
  5. Step 5: Solve for x
    x = 30,050,078,512.08/265,083.18
  6. Step 6: Final answer
    x = 113,360.94

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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.