Home / 131,394.35-181,324.17-70,964.98

Finding the Fourth Proportional to 131,394.35, 181,324.17 and 70,964.98

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Solution

The fourth proportional to 131,394.35, 181,324.17 and 70,964.98 is: 97,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,394.35 : 181,324.17 = 70,964.98 : x
  2. Step 2: Convert to fraction form
    131,394.35/181,324.17 = 70,964.98/x
  3. Step 3: Cross multiply
    131,394.35x = 181,324.17 × 70,964.98
  4. Step 4: Simplify right side
    131,394.35x = 12,867,665,644.26
  5. Step 5: Solve for x
    x = 12,867,665,644.26/131,394.35
  6. Step 6: Final answer
    x = 97,931.65

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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.