Home / 124,274.54-186,366.44-45,365.42

Finding the Fourth Proportional to 124,274.54, 186,366.44 and 45,365.42

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Solution

The fourth proportional to 124,274.54, 186,366.44 and 45,365.42 is: 68,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,274.54 : 186,366.44 = 45,365.42 : x
  2. Step 2: Convert to fraction form
    124,274.54/186,366.44 = 45,365.42/x
  3. Step 3: Cross multiply
    124,274.54x = 186,366.44 × 45,365.42
  4. Step 4: Simplify right side
    124,274.54x = 8,454,591,824.50
  5. Step 5: Solve for x
    x = 8,454,591,824.50/124,274.54
  6. Step 6: Final answer
    x = 68,031.57

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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.