Home / 477,187.15-715,255.84-196,551.31

Finding the Fourth Proportional to 477,187.15, 715,255.84 and 196,551.31

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Solution

The fourth proportional to 477,187.15, 715,255.84 and 196,551.31 is: 294,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,187.15 : 715,255.84 = 196,551.31 : x
  2. Step 2: Convert to fraction form
    477,187.15/715,255.84 = 196,551.31/x
  3. Step 3: Cross multiply
    477,187.15x = 715,255.84 × 196,551.31
  4. Step 4: Simplify right side
    477,187.15x = 140,584,472,337.15
  5. Step 5: Solve for x
    x = 140,584,472,337.15/477,187.15
  6. Step 6: Final answer
    x = 294,610.77

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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.