Home / 122,025.42-168,308.28-111,986.28

Finding the Fourth Proportional to 122,025.42, 168,308.28 and 111,986.28

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Solution

The fourth proportional to 122,025.42, 168,308.28 and 111,986.28 is: 154,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,025.42 : 168,308.28 = 111,986.28 : x
  2. Step 2: Convert to fraction form
    122,025.42/168,308.28 = 111,986.28/x
  3. Step 3: Cross multiply
    122,025.42x = 168,308.28 × 111,986.28
  4. Step 4: Simplify right side
    122,025.42x = 18,848,218,170.40
  5. Step 5: Solve for x
    x = 18,848,218,170.40/122,025.42
  6. Step 6: Final answer
    x = 154,461.41

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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.