Home / 154,323.20-231,873.60-98,190.20

Finding the Fourth Proportional to 154,323.20, 231,873.60 and 98,190.20

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Solution

The fourth proportional to 154,323.20, 231,873.60 and 98,190.20 is: 147,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,323.20 : 231,873.60 = 98,190.20 : x
  2. Step 2: Convert to fraction form
    154,323.20/231,873.60 = 98,190.20/x
  3. Step 3: Cross multiply
    154,323.20x = 231,873.60 × 98,190.20
  4. Step 4: Simplify right side
    154,323.20x = 22,767,715,158.72
  5. Step 5: Solve for x
    x = 22,767,715,158.72/154,323.20
  6. Step 6: Final answer
    x = 147,532.68

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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.