Home / 112,917.87-155,435.52-97,597.44

Finding the Fourth Proportional to 112,917.87, 155,435.52 and 97,597.44

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Solution

The fourth proportional to 112,917.87, 155,435.52 and 97,597.44 is: 134,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,917.87 : 155,435.52 = 97,597.44 : x
  2. Step 2: Convert to fraction form
    112,917.87/155,435.52 = 97,597.44/x
  3. Step 3: Cross multiply
    112,917.87x = 155,435.52 × 97,597.44
  4. Step 4: Simplify right side
    112,917.87x = 15,170,108,837.07
  5. Step 5: Solve for x
    x = 15,170,108,837.07/112,917.87
  6. Step 6: Final answer
    x = 134,346.40

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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.