Home / 122,048.91-168,433.73-68,330.72

Finding the Fourth Proportional to 122,048.91, 168,433.73 and 68,330.72

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Solution

The fourth proportional to 122,048.91, 168,433.73 and 68,330.72 is: 94,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,048.91 : 168,433.73 = 68,330.72 : x
  2. Step 2: Convert to fraction form
    122,048.91/168,433.73 = 68,330.72/x
  3. Step 3: Cross multiply
    122,048.91x = 168,433.73 × 68,330.72
  4. Step 4: Simplify right side
    122,048.91x = 11,509,198,378.86
  5. Step 5: Solve for x
    x = 11,509,198,378.86/122,048.91
  6. Step 6: Final answer
    x = 94,299.89

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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.