Home / 117,669.61-162,811.52-102,593.64

Finding the Fourth Proportional to 117,669.61, 162,811.52 and 102,593.64

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Solution

The fourth proportional to 117,669.61, 162,811.52 and 102,593.64 is: 141,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,669.61 : 162,811.52 = 102,593.64 : x
  2. Step 2: Convert to fraction form
    117,669.61/162,811.52 = 102,593.64/x
  3. Step 3: Cross multiply
    117,669.61x = 162,811.52 × 102,593.64
  4. Step 4: Simplify right side
    117,669.61x = 16,703,426,037.22
  5. Step 5: Solve for x
    x = 16,703,426,037.22/117,669.61
  6. Step 6: Final answer
    x = 141,951.91

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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.