Home / 134,855.58-186,094.38-77,454.54

Finding the Fourth Proportional to 134,855.58, 186,094.38 and 77,454.54

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Solution

The fourth proportional to 134,855.58, 186,094.38 and 77,454.54 is: 106,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,855.58 : 186,094.38 = 77,454.54 : x
  2. Step 2: Convert to fraction form
    134,855.58/186,094.38 = 77,454.54/x
  3. Step 3: Cross multiply
    134,855.58x = 186,094.38 × 77,454.54
  4. Step 4: Simplify right side
    134,855.58x = 14,413,854,599.49
  5. Step 5: Solve for x
    x = 14,413,854,599.49/134,855.58
  6. Step 6: Final answer
    x = 106,883.64

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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.