Home / 140,356.56-210,618.22-51,672.36

Finding the Fourth Proportional to 140,356.56, 210,618.22 and 51,672.36

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Solution

The fourth proportional to 140,356.56, 210,618.22 and 51,672.36 is: 77,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,356.56 : 210,618.22 = 51,672.36 : x
  2. Step 2: Convert to fraction form
    140,356.56/210,618.22 = 51,672.36/x
  3. Step 3: Cross multiply
    140,356.56x = 210,618.22 × 51,672.36
  4. Step 4: Simplify right side
    140,356.56x = 10,883,140,486.40
  5. Step 5: Solve for x
    x = 10,883,140,486.40/140,356.56
  6. Step 6: Final answer
    x = 77,539.24

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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.