Home / 260,121.06-359,005.17-152,749.86

Finding the Fourth Proportional to 260,121.06, 359,005.17 and 152,749.86

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Solution

The fourth proportional to 260,121.06, 359,005.17 and 152,749.86 is: 210,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,121.06 : 359,005.17 = 152,749.86 : x
  2. Step 2: Convert to fraction form
    260,121.06/359,005.17 = 152,749.86/x
  3. Step 3: Cross multiply
    260,121.06x = 359,005.17 × 152,749.86
  4. Step 4: Simplify right side
    260,121.06x = 54,837,989,456.78
  5. Step 5: Solve for x
    x = 54,837,989,456.78/260,121.06
  6. Step 6: Final answer
    x = 210,817.18

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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.