Home / 170,023.20-254,816.10-103,392.60

Finding the Fourth Proportional to 170,023.20, 254,816.10 and 103,392.60

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Solution

The fourth proportional to 170,023.20, 254,816.10 and 103,392.60 is: 154,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,023.20 : 254,816.10 = 103,392.60 : x
  2. Step 2: Convert to fraction form
    170,023.20/254,816.10 = 103,392.60/x
  3. Step 3: Cross multiply
    170,023.20x = 254,816.10 × 103,392.60
  4. Step 4: Simplify right side
    170,023.20x = 26,346,099,100.86
  5. Step 5: Solve for x
    x = 26,346,099,100.86/170,023.20
  6. Step 6: Final answer
    x = 154,955.91

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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.