Home / 203,582.16-281,000.88-143,166.96

Finding the Fourth Proportional to 203,582.16, 281,000.88 and 143,166.96

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Solution

The fourth proportional to 203,582.16, 281,000.88 and 143,166.96 is: 197,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,582.16 : 281,000.88 = 143,166.96 : x
  2. Step 2: Convert to fraction form
    203,582.16/281,000.88 = 143,166.96/x
  3. Step 3: Cross multiply
    203,582.16x = 281,000.88 × 143,166.96
  4. Step 4: Simplify right side
    203,582.16x = 40,230,041,746.92
  5. Step 5: Solve for x
    x = 40,230,041,746.92/203,582.16
  6. Step 6: Final answer
    x = 197,610.84

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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.