Home / 122,120.61-168,523.94-67,672.32

Finding the Fourth Proportional to 122,120.61, 168,523.94 and 67,672.32

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Solution

The fourth proportional to 122,120.61, 168,523.94 and 67,672.32 is: 93,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,120.61 : 168,523.94 = 67,672.32 : x
  2. Step 2: Convert to fraction form
    122,120.61/168,523.94 = 67,672.32/x
  3. Step 3: Cross multiply
    122,120.61x = 168,523.94 × 67,672.32
  4. Step 4: Simplify right side
    122,120.61x = 11,404,405,656.98
  5. Step 5: Solve for x
    x = 11,404,405,656.98/122,120.61
  6. Step 6: Final answer
    x = 93,386.41

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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.