Home / 165,439.21-248,037.83-53,055.45

Finding the Fourth Proportional to 165,439.21, 248,037.83 and 53,055.45

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Solution

The fourth proportional to 165,439.21, 248,037.83 and 53,055.45 is: 79,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,439.21 : 248,037.83 = 53,055.45 : x
  2. Step 2: Convert to fraction form
    165,439.21/248,037.83 = 53,055.45/x
  3. Step 3: Cross multiply
    165,439.21x = 248,037.83 × 53,055.45
  4. Step 4: Simplify right side
    165,439.21x = 13,159,758,687.67
  5. Step 5: Solve for x
    x = 13,159,758,687.67/165,439.21
  6. Step 6: Final answer
    x = 79,544.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.