Home / 140,255.16-210,444.40-73,679.82

Finding the Fourth Proportional to 140,255.16, 210,444.40 and 73,679.82

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Solution

The fourth proportional to 140,255.16, 210,444.40 and 73,679.82 is: 110,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,255.16 : 210,444.40 = 73,679.82 : x
  2. Step 2: Convert to fraction form
    140,255.16/210,444.40 = 73,679.82/x
  3. Step 3: Cross multiply
    140,255.16x = 210,444.40 × 73,679.82
  4. Step 4: Simplify right side
    140,255.16x = 15,505,505,512.01
  5. Step 5: Solve for x
    x = 15,505,505,512.01/140,255.16
  6. Step 6: Final answer
    x = 110,552.12

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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.