Home / 111,474.14-153,826.74-61,176.38

Finding the Fourth Proportional to 111,474.14, 153,826.74 and 61,176.38

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Solution

The fourth proportional to 111,474.14, 153,826.74 and 61,176.38 is: 84,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,474.14 : 153,826.74 = 61,176.38 : x
  2. Step 2: Convert to fraction form
    111,474.14/153,826.74 = 61,176.38/x
  3. Step 3: Cross multiply
    111,474.14x = 153,826.74 × 61,176.38
  4. Step 4: Simplify right side
    111,474.14x = 9,410,563,100.40
  5. Step 5: Solve for x
    x = 9,410,563,100.40/111,474.14
  6. Step 6: Final answer
    x = 84,419.25

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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.