Home / 147,113.44-203,010.56-83,449.86

Finding the Fourth Proportional to 147,113.44, 203,010.56 and 83,449.86

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Solution

The fourth proportional to 147,113.44, 203,010.56 and 83,449.86 is: 115,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,113.44 : 203,010.56 = 83,449.86 : x
  2. Step 2: Convert to fraction form
    147,113.44/203,010.56 = 83,449.86/x
  3. Step 3: Cross multiply
    147,113.44x = 203,010.56 × 83,449.86
  4. Step 4: Simplify right side
    147,113.44x = 16,941,202,810.52
  5. Step 5: Solve for x
    x = 16,941,202,810.52/147,113.44
  6. Step 6: Final answer
    x = 115,157.41

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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.