Home / 140,563.22-210,709.51-51,768.29

Finding the Fourth Proportional to 140,563.22, 210,709.51 and 51,768.29

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Solution

The fourth proportional to 140,563.22, 210,709.51 and 51,768.29 is: 77,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,563.22 : 210,709.51 = 51,768.29 : x
  2. Step 2: Convert to fraction form
    140,563.22/210,709.51 = 51,768.29/x
  3. Step 3: Cross multiply
    140,563.22x = 210,709.51 × 51,768.29
  4. Step 4: Simplify right side
    140,563.22x = 10,908,071,019.44
  5. Step 5: Solve for x
    x = 10,908,071,019.44/140,563.22
  6. Step 6: Final answer
    x = 77,602.60

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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.