Home / 154,078.20-230,858.10-101,460.60

Finding the Fourth Proportional to 154,078.20, 230,858.10 and 101,460.60

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Solution

The fourth proportional to 154,078.20, 230,858.10 and 101,460.60 is: 152,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,078.20 : 230,858.10 = 101,460.60 : x
  2. Step 2: Convert to fraction form
    154,078.20/230,858.10 = 101,460.60/x
  3. Step 3: Cross multiply
    154,078.20x = 230,858.10 × 101,460.60
  4. Step 4: Simplify right side
    154,078.20x = 23,423,001,340.86
  5. Step 5: Solve for x
    x = 23,423,001,340.86/154,078.20
  6. Step 6: Final answer
    x = 152,020.22

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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.