Home / 318,621.93-439,740.26-191,305.73

Finding the Fourth Proportional to 318,621.93, 439,740.26 and 191,305.73

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Solution

The fourth proportional to 318,621.93, 439,740.26 and 191,305.73 is: 264,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,621.93 : 439,740.26 = 191,305.73 : x
  2. Step 2: Convert to fraction form
    318,621.93/439,740.26 = 191,305.73/x
  3. Step 3: Cross multiply
    318,621.93x = 439,740.26 × 191,305.73
  4. Step 4: Simplify right side
    318,621.93x = 84,124,828,294.46
  5. Step 5: Solve for x
    x = 84,124,828,294.46/318,621.93
  6. Step 6: Final answer
    x = 264,027.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.