Home / 122,000.57-168,364.34-68,284.20

Finding the Fourth Proportional to 122,000.57, 168,364.34 and 68,284.20

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Solution

The fourth proportional to 122,000.57, 168,364.34 and 68,284.20 is: 94,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,000.57 : 168,364.34 = 68,284.20 : x
  2. Step 2: Convert to fraction form
    122,000.57/168,364.34 = 68,284.20/x
  3. Step 3: Cross multiply
    122,000.57x = 168,364.34 × 68,284.20
  4. Step 4: Simplify right side
    122,000.57x = 11,496,624,265.43
  5. Step 5: Solve for x
    x = 11,496,624,265.43/122,000.57
  6. Step 6: Final answer
    x = 94,234.18

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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.