Home / 117,636.24-162,328.32-69,901.68

Finding the Fourth Proportional to 117,636.24, 162,328.32 and 69,901.68

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Solution

The fourth proportional to 117,636.24, 162,328.32 and 69,901.68 is: 96,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636.24 : 162,328.32 = 69,901.68 : x
  2. Step 2: Convert to fraction form
    117,636.24/162,328.32 = 69,901.68/x
  3. Step 3: Cross multiply
    117,636.24x = 162,328.32 × 69,901.68
  4. Step 4: Simplify right side
    117,636.24x = 11,347,022,279.58
  5. Step 5: Solve for x
    x = 11,347,022,279.58/117,636.24
  6. Step 6: Final answer
    x = 96,458.56

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1.5x scale

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.