Home / 140,734.98-210,986.19-65,818.26

Finding the Fourth Proportional to 140,734.98, 210,986.19 and 65,818.26

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Solution

The fourth proportional to 140,734.98, 210,986.19 and 65,818.26 is: 98,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734.98 : 210,986.19 = 65,818.26 : x
  2. Step 2: Convert to fraction form
    140,734.98/210,986.19 = 65,818.26/x
  3. Step 3: Cross multiply
    140,734.98x = 210,986.19 × 65,818.26
  4. Step 4: Simplify right side
    140,734.98x = 13,886,743,909.83
  5. Step 5: Solve for x
    x = 13,886,743,909.83/140,734.98
  6. Step 6: Final answer
    x = 98,673.01

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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.