Home / 122,157.34-168,572.44-68,439.66

Finding the Fourth Proportional to 122,157.34, 168,572.44 and 68,439.66

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Solution

The fourth proportional to 122,157.34, 168,572.44 and 68,439.66 is: 94,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,157.34 : 168,572.44 = 68,439.66 : x
  2. Step 2: Convert to fraction form
    122,157.34/168,572.44 = 68,439.66/x
  3. Step 3: Cross multiply
    122,157.34x = 168,572.44 × 68,439.66
  4. Step 4: Simplify right side
    122,157.34x = 11,537,040,478.97
  5. Step 5: Solve for x
    x = 11,537,040,478.97/122,157.34
  6. Step 6: Final answer
    x = 94,444.10

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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.