Home / 111,298.41-167,002.43-52,123.86

Finding the Fourth Proportional to 111,298.41, 167,002.43 and 52,123.86

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Solution

The fourth proportional to 111,298.41, 167,002.43 and 52,123.86 is: 78,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,298.41 : 167,002.43 = 52,123.86 : x
  2. Step 2: Convert to fraction form
    111,298.41/167,002.43 = 52,123.86/x
  3. Step 3: Cross multiply
    111,298.41x = 167,002.43 × 52,123.86
  4. Step 4: Simplify right side
    111,298.41x = 8,704,811,020.36
  5. Step 5: Solve for x
    x = 8,704,811,020.36/111,298.41
  6. Step 6: Final answer
    x = 78,211.46

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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.