Home / 117,381.35-175,678.37-96,320.54

Finding the Fourth Proportional to 117,381.35, 175,678.37 and 96,320.54

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Solution

The fourth proportional to 117,381.35, 175,678.37 and 96,320.54 is: 144,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,381.35 : 175,678.37 = 96,320.54 : x
  2. Step 2: Convert to fraction form
    117,381.35/175,678.37 = 96,320.54/x
  3. Step 3: Cross multiply
    117,381.35x = 175,678.37 × 96,320.54
  4. Step 4: Simplify right side
    117,381.35x = 16,921,435,783.52
  5. Step 5: Solve for x
    x = 16,921,435,783.52/117,381.35
  6. Step 6: Final answer
    x = 144,157.79

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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.