Home / 102,827.60-154,471.80-98,629.20

Finding the Fourth Proportional to 102,827.60, 154,471.80 and 98,629.20

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Solution

The fourth proportional to 102,827.60, 154,471.80 and 98,629.20 is: 148,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.60 : 154,471.80 = 98,629.20 : x
  2. Step 2: Convert to fraction form
    102,827.60/154,471.80 = 98,629.20/x
  3. Step 3: Cross multiply
    102,827.60x = 154,471.80 × 98,629.20
  4. Step 4: Simplify right side
    102,827.60x = 15,235,430,056.56
  5. Step 5: Solve for x
    x = 15,235,430,056.56/102,827.60
  6. Step 6: Final answer
    x = 148,164.79

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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.