Home / 210,453.15-290,431.58-114,961.41

Finding the Fourth Proportional to 210,453.15, 290,431.58 and 114,961.41

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Solution

The fourth proportional to 210,453.15, 290,431.58 and 114,961.41 is: 158,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,453.15 : 290,431.58 = 114,961.41 : x
  2. Step 2: Convert to fraction form
    210,453.15/290,431.58 = 114,961.41/x
  3. Step 3: Cross multiply
    210,453.15x = 290,431.58 × 114,961.41
  4. Step 4: Simplify right side
    210,453.15x = 33,388,423,370.52
  5. Step 5: Solve for x
    x = 33,388,423,370.52/210,453.15
  6. Step 6: Final answer
    x = 158,650.15

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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.