Home / 145,124.04-217,748.70-75,052.56

Finding the Fourth Proportional to 145,124.04, 217,748.70 and 75,052.56

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Solution

The fourth proportional to 145,124.04, 217,748.70 and 75,052.56 is: 112,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,124.04 : 217,748.70 = 75,052.56 : x
  2. Step 2: Convert to fraction form
    145,124.04/217,748.70 = 75,052.56/x
  3. Step 3: Cross multiply
    145,124.04x = 217,748.70 × 75,052.56
  4. Step 4: Simplify right side
    145,124.04x = 16,342,597,371.67
  5. Step 5: Solve for x
    x = 16,342,597,371.67/145,124.04
  6. Step 6: Final answer
    x = 112,611.23

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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.