Home / 102,646.20-154,055.70-50,100.60

Finding the Fourth Proportional to 102,646.20, 154,055.70 and 50,100.60

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Solution

The fourth proportional to 102,646.20, 154,055.70 and 50,100.60 is: 75,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,646.20 : 154,055.70 = 50,100.60 : x
  2. Step 2: Convert to fraction form
    102,646.20/154,055.70 = 50,100.60/x
  3. Step 3: Cross multiply
    102,646.20x = 154,055.70 × 50,100.60
  4. Step 4: Simplify right side
    102,646.20x = 7,718,283,003.42
  5. Step 5: Solve for x
    x = 7,718,283,003.42/102,646.20
  6. Step 6: Final answer
    x = 75,193.07

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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.