Home / 169,627.20-254,440.80-103,197.60

Finding the Fourth Proportional to 169,627.20, 254,440.80 and 103,197.60

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Solution

The fourth proportional to 169,627.20, 254,440.80 and 103,197.60 is: 154,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,627.20 : 254,440.80 = 103,197.60 : x
  2. Step 2: Convert to fraction form
    169,627.20/254,440.80 = 103,197.60/x
  3. Step 3: Cross multiply
    169,627.20x = 254,440.80 × 103,197.60
  4. Step 4: Simplify right side
    169,627.20x = 26,257,679,902.08
  5. Step 5: Solve for x
    x = 26,257,679,902.08/169,627.20
  6. Step 6: Final answer
    x = 154,796.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.