Home / 151,418.16-208,821.24-94,834.80

Finding the Fourth Proportional to 151,418.16, 208,821.24 and 94,834.80

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Solution

The fourth proportional to 151,418.16, 208,821.24 and 94,834.80 is: 130,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,418.16 : 208,821.24 = 94,834.80 : x
  2. Step 2: Convert to fraction form
    151,418.16/208,821.24 = 94,834.80/x
  3. Step 3: Cross multiply
    151,418.16x = 208,821.24 × 94,834.80
  4. Step 4: Simplify right side
    151,418.16x = 19,803,520,531.15
  5. Step 5: Solve for x
    x = 19,803,520,531.15/151,418.16
  6. Step 6: Final answer
    x = 130,786.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.