Home / 122,236.12-168,677.10-67,784.22

Finding the Fourth Proportional to 122,236.12, 168,677.10 and 67,784.22

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Solution

The fourth proportional to 122,236.12, 168,677.10 and 67,784.22 is: 93,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,236.12 : 168,677.10 = 67,784.22 : x
  2. Step 2: Convert to fraction form
    122,236.12/168,677.10 = 67,784.22/x
  3. Step 3: Cross multiply
    122,236.12x = 168,677.10 × 67,784.22
  4. Step 4: Simplify right side
    122,236.12x = 11,433,645,655.36
  5. Step 5: Solve for x
    x = 11,433,645,655.36/122,236.12
  6. Step 6: Final answer
    x = 93,537.37

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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.