Home / 130,240.93-195,311.74-45,985.44

Finding the Fourth Proportional to 130,240.93, 195,311.74 and 45,985.44

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Solution

The fourth proportional to 130,240.93, 195,311.74 and 45,985.44 is: 68,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,240.93 : 195,311.74 = 45,985.44 : x
  2. Step 2: Convert to fraction form
    130,240.93/195,311.74 = 45,985.44/x
  3. Step 3: Cross multiply
    130,240.93x = 195,311.74 × 45,985.44
  4. Step 4: Simplify right side
    130,240.93x = 8,981,496,301.07
  5. Step 5: Solve for x
    x = 8,981,496,301.07/130,240.93
  6. Step 6: Final answer
    x = 68,960.63

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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.