Home / 130,324.48-195,377.28-90,764.80

Finding the Fourth Proportional to 130,324.48, 195,377.28 and 90,764.80

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Solution

The fourth proportional to 130,324.48, 195,377.28 and 90,764.80 is: 136,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,324.48 : 195,377.28 = 90,764.80 : x
  2. Step 2: Convert to fraction form
    130,324.48/195,377.28 = 90,764.80/x
  3. Step 3: Cross multiply
    130,324.48x = 195,377.28 × 90,764.80
  4. Step 4: Simplify right side
    130,324.48x = 17,733,379,743.74
  5. Step 5: Solve for x
    x = 17,733,379,743.74/130,324.48
  6. Step 6: Final answer
    x = 136,070.98

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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.