Home / 210,119.22-289,964.12-114,625.90

Finding the Fourth Proportional to 210,119.22, 289,964.12 and 114,625.90

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Solution

The fourth proportional to 210,119.22, 289,964.12 and 114,625.90 is: 158,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,119.22 : 289,964.12 = 114,625.90 : x
  2. Step 2: Convert to fraction form
    210,119.22/289,964.12 = 114,625.90/x
  3. Step 3: Cross multiply
    210,119.22x = 289,964.12 × 114,625.90
  4. Step 4: Simplify right side
    210,119.22x = 33,237,398,222.71
  5. Step 5: Solve for x
    x = 33,237,398,222.71/210,119.22
  6. Step 6: Final answer
    x = 158,183.52

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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.