Home / 122,000.56-168,322.40-68,277.04

Finding the Fourth Proportional to 122,000.56, 168,322.40 and 68,277.04

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Solution

The fourth proportional to 122,000.56, 168,322.40 and 68,277.04 is: 94,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,000.56 : 168,322.40 = 68,277.04 : x
  2. Step 2: Convert to fraction form
    122,000.56/168,322.40 = 68,277.04/x
  3. Step 3: Cross multiply
    122,000.56x = 168,322.40 × 68,277.04
  4. Step 4: Simplify right side
    122,000.56x = 11,492,555,237.70
  5. Step 5: Solve for x
    x = 11,492,555,237.70/122,000.56
  6. Step 6: Final answer
    x = 94,200.84

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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.