Home / 197,033.21-271,907.89-112,155.74

Finding the Fourth Proportional to 197,033.21, 271,907.89 and 112,155.74

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Solution

The fourth proportional to 197,033.21, 271,907.89 and 112,155.74 is: 154,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,033.21 : 271,907.89 = 112,155.74 : x
  2. Step 2: Convert to fraction form
    197,033.21/271,907.89 = 112,155.74/x
  3. Step 3: Cross multiply
    197,033.21x = 271,907.89 × 112,155.74
  4. Step 4: Simplify right side
    197,033.21x = 30,496,029,994.51
  5. Step 5: Solve for x
    x = 30,496,029,994.51/197,033.21
  6. Step 6: Final answer
    x = 154,776.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.