Home / 121,378.46-182,089.53-37,137.04

Finding the Fourth Proportional to 121,378.46, 182,089.53 and 37,137.04

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Solution

The fourth proportional to 121,378.46, 182,089.53 and 37,137.04 is: 55,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,378.46 : 182,089.53 = 37,137.04 : x
  2. Step 2: Convert to fraction form
    121,378.46/182,089.53 = 37,137.04/x
  3. Step 3: Cross multiply
    121,378.46x = 182,089.53 × 37,137.04
  4. Step 4: Simplify right side
    121,378.46x = 6,762,265,703.97
  5. Step 5: Solve for x
    x = 6,762,265,703.97/121,378.46
  6. Step 6: Final answer
    x = 55,712.24

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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.