Home / 203,822.40-305,733.60-56,078.40

Finding the Fourth Proportional to 203,822.40, 305,733.60 and 56,078.40

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Solution

The fourth proportional to 203,822.40, 305,733.60 and 56,078.40 is: 84,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,822.40 : 305,733.60 = 56,078.40 : x
  2. Step 2: Convert to fraction form
    203,822.40/305,733.60 = 56,078.40/x
  3. Step 3: Cross multiply
    203,822.40x = 305,733.60 × 56,078.40
  4. Step 4: Simplify right side
    203,822.40x = 17,145,051,114.24
  5. Step 5: Solve for x
    x = 17,145,051,114.24/203,822.40
  6. Step 6: Final answer
    x = 84,117.60

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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.