Home / 117,918.24-162,730.32-64,205.52

Finding the Fourth Proportional to 117,918.24, 162,730.32 and 64,205.52

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Solution

The fourth proportional to 117,918.24, 162,730.32 and 64,205.52 is: 88,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918.24 : 162,730.32 = 64,205.52 : x
  2. Step 2: Convert to fraction form
    117,918.24/162,730.32 = 64,205.52/x
  3. Step 3: Cross multiply
    117,918.24x = 162,730.32 × 64,205.52
  4. Step 4: Simplify right side
    117,918.24x = 10,448,184,815.37
  5. Step 5: Solve for x
    x = 10,448,184,815.37/117,918.24
  6. Step 6: Final answer
    x = 88,605.33

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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.