Home / 199,329.40-298,994.10-154,228.60

Finding the Fourth Proportional to 199,329.40, 298,994.10 and 154,228.60

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Solution

The fourth proportional to 199,329.40, 298,994.10 and 154,228.60 is: 231,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,329.40 : 298,994.10 = 154,228.60 : x
  2. Step 2: Convert to fraction form
    199,329.40/298,994.10 = 154,228.60/x
  3. Step 3: Cross multiply
    199,329.40x = 298,994.10 × 154,228.60
  4. Step 4: Simplify right side
    199,329.40x = 46,113,441,451.26
  5. Step 5: Solve for x
    x = 46,113,441,451.26/199,329.40
  6. Step 6: Final answer
    x = 231,342.90

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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.