Home / 142,563.02-196,746.10-82,132.56

Finding the Fourth Proportional to 142,563.02, 196,746.10 and 82,132.56

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Solution

The fourth proportional to 142,563.02, 196,746.10 and 82,132.56 is: 113,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,563.02 : 196,746.10 = 82,132.56 : x
  2. Step 2: Convert to fraction form
    142,563.02/196,746.10 = 82,132.56/x
  3. Step 3: Cross multiply
    142,563.02x = 196,746.10 × 82,132.56
  4. Step 4: Simplify right side
    142,563.02x = 16,159,260,863.02
  5. Step 5: Solve for x
    x = 16,159,260,863.02/142,563.02
  6. Step 6: Final answer
    x = 113,348.19

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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.