Home / 145,592.24-218,389.57-40,419.41

Finding the Fourth Proportional to 145,592.24, 218,389.57 and 40,419.41

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Solution

The fourth proportional to 145,592.24, 218,389.57 and 40,419.41 is: 60,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,592.24 : 218,389.57 = 40,419.41 : x
  2. Step 2: Convert to fraction form
    145,592.24/218,389.57 = 40,419.41/x
  3. Step 3: Cross multiply
    145,592.24x = 218,389.57 × 40,419.41
  4. Step 4: Simplify right side
    145,592.24x = 8,827,176,376.56
  5. Step 5: Solve for x
    x = 8,827,176,376.56/145,592.24
  6. Step 6: Final answer
    x = 60,629.44

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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.