Home / 122,141.62-168,567.84-68,436.22

Finding the Fourth Proportional to 122,141.62, 168,567.84 and 68,436.22

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Solution

The fourth proportional to 122,141.62, 168,567.84 and 68,436.22 is: 94,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,141.62 : 168,567.84 = 68,436.22 : x
  2. Step 2: Convert to fraction form
    122,141.62/168,567.84 = 68,436.22/x
  3. Step 3: Cross multiply
    122,141.62x = 168,567.84 × 68,436.22
  4. Step 4: Simplify right side
    122,141.62x = 11,536,145,783.16
  5. Step 5: Solve for x
    x = 11,536,145,783.16/122,141.62
  6. Step 6: Final answer
    x = 94,448.93

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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.