Home / 210,120.58-289,965.79-114,626.61

Finding the Fourth Proportional to 210,120.58, 289,965.79 and 114,626.61

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Solution

The fourth proportional to 210,120.58, 289,965.79 and 114,626.61 is: 158,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,120.58 : 289,965.79 = 114,626.61 : x
  2. Step 2: Convert to fraction form
    210,120.58/289,965.79 = 114,626.61/x
  3. Step 3: Cross multiply
    210,120.58x = 289,965.79 × 114,626.61
  4. Step 4: Simplify right side
    210,120.58x = 33,237,795,666.96
  5. Step 5: Solve for x
    x = 33,237,795,666.96/210,120.58
  6. Step 6: Final answer
    x = 158,184.39

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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.