Home / 121,398.11-182,118.70-37,156.41

Finding the Fourth Proportional to 121,398.11, 182,118.70 and 37,156.41

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Solution

The fourth proportional to 121,398.11, 182,118.70 and 37,156.41 is: 55,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,398.11 : 182,118.70 = 37,156.41 : x
  2. Step 2: Convert to fraction form
    121,398.11/182,118.70 = 37,156.41/x
  3. Step 3: Cross multiply
    121,398.11x = 182,118.70 × 37,156.41
  4. Step 4: Simplify right side
    121,398.11x = 6,766,877,085.87
  5. Step 5: Solve for x
    x = 6,766,877,085.87/121,398.11
  6. Step 6: Final answer
    x = 55,741.21

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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.