Home / 117,932.78-162,906.45-94,225.70

Finding the Fourth Proportional to 117,932.78, 162,906.45 and 94,225.70

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Solution

The fourth proportional to 117,932.78, 162,906.45 and 94,225.70 is: 130,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,932.78 : 162,906.45 = 94,225.70 : x
  2. Step 2: Convert to fraction form
    117,932.78/162,906.45 = 94,225.70/x
  3. Step 3: Cross multiply
    117,932.78x = 162,906.45 × 94,225.70
  4. Step 4: Simplify right side
    117,932.78x = 15,349,974,285.77
  5. Step 5: Solve for x
    x = 15,349,974,285.77/117,932.78
  6. Step 6: Final answer
    x = 130,158.67

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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.