Home / 113,052.10-155,620.38-97,731.58

Finding the Fourth Proportional to 113,052.10, 155,620.38 and 97,731.58

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Solution

The fourth proportional to 113,052.10, 155,620.38 and 97,731.58 is: 134,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,052.10 : 155,620.38 = 97,731.58 : x
  2. Step 2: Convert to fraction form
    113,052.10/155,620.38 = 97,731.58/x
  3. Step 3: Cross multiply
    113,052.10x = 155,620.38 × 97,731.58
  4. Step 4: Simplify right side
    113,052.10x = 15,209,025,617.60
  5. Step 5: Solve for x
    x = 15,209,025,617.60/113,052.10
  6. Step 6: Final answer
    x = 134,531.12

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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.