Home / 122,219.40-168,667.50-68,504.76

Finding the Fourth Proportional to 122,219.40, 168,667.50 and 68,504.76

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Solution

The fourth proportional to 122,219.40, 168,667.50 and 68,504.76 is: 94,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,219.40 : 168,667.50 = 68,504.76 : x
  2. Step 2: Convert to fraction form
    122,219.40/168,667.50 = 68,504.76/x
  3. Step 3: Cross multiply
    122,219.40x = 168,667.50 × 68,504.76
  4. Step 4: Simplify right side
    122,219.40x = 11,554,526,607.30
  5. Step 5: Solve for x
    x = 11,554,526,607.30/122,219.40
  6. Step 6: Final answer
    x = 94,539.22

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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.