Home / 124,392.61-186,615.42-40,157.56

Finding the Fourth Proportional to 124,392.61, 186,615.42 and 40,157.56

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Solution

The fourth proportional to 124,392.61, 186,615.42 and 40,157.56 is: 60,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,392.61 : 186,615.42 = 40,157.56 : x
  2. Step 2: Convert to fraction form
    124,392.61/186,615.42 = 40,157.56/x
  3. Step 3: Cross multiply
    124,392.61x = 186,615.42 × 40,157.56
  4. Step 4: Simplify right side
    124,392.61x = 7,494,019,925.58
  5. Step 5: Solve for x
    x = 7,494,019,925.58/124,392.61
  6. Step 6: Final answer
    x = 60,244.90

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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.