Home / 168,155.76-231,923.64-107,731.98

Finding the Fourth Proportional to 168,155.76, 231,923.64 and 107,731.98

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Solution

The fourth proportional to 168,155.76, 231,923.64 and 107,731.98 is: 148,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,155.76 : 231,923.64 = 107,731.98 : x
  2. Step 2: Convert to fraction form
    168,155.76/231,923.64 = 107,731.98/x
  3. Step 3: Cross multiply
    168,155.76x = 231,923.64 × 107,731.98
  4. Step 4: Simplify right side
    168,155.76x = 24,985,592,946.01
  5. Step 5: Solve for x
    x = 24,985,592,946.01/168,155.76
  6. Step 6: Final answer
    x = 148,586.01

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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.