Home / 130,243.85-195,231.78-59,215.89

Finding the Fourth Proportional to 130,243.85, 195,231.78 and 59,215.89

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Solution

The fourth proportional to 130,243.85, 195,231.78 and 59,215.89 is: 88,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,243.85 : 195,231.78 = 59,215.89 : x
  2. Step 2: Convert to fraction form
    130,243.85/195,231.78 = 59,215.89/x
  3. Step 3: Cross multiply
    130,243.85x = 195,231.78 × 59,215.89
  4. Step 4: Simplify right side
    130,243.85x = 11,560,823,312.90
  5. Step 5: Solve for x
    x = 11,560,823,312.90/130,243.85
  6. Step 6: Final answer
    x = 88,762.91

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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.