Home / 167,867.11-251,483.75-129,981.42

Finding the Fourth Proportional to 167,867.11, 251,483.75 and 129,981.42

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Solution

The fourth proportional to 167,867.11, 251,483.75 and 129,981.42 is: 194,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,867.11 : 251,483.75 = 129,981.42 : x
  2. Step 2: Convert to fraction form
    167,867.11/251,483.75 = 129,981.42/x
  3. Step 3: Cross multiply
    167,867.11x = 251,483.75 × 129,981.42
  4. Step 4: Simplify right side
    167,867.11x = 32,688,214,282.02
  5. Step 5: Solve for x
    x = 32,688,214,282.02/167,867.11
  6. Step 6: Final answer
    x = 194,726.74

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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.