Home / 210,558.22-290,571.10-115,064.92

Finding the Fourth Proportional to 210,558.22, 290,571.10 and 115,064.92

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Solution

The fourth proportional to 210,558.22, 290,571.10 and 115,064.92 is: 158,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,558.22 : 290,571.10 = 115,064.92 : x
  2. Step 2: Convert to fraction form
    210,558.22/290,571.10 = 115,064.92/x
  3. Step 3: Cross multiply
    210,558.22x = 290,571.10 × 115,064.92
  4. Step 4: Simplify right side
    210,558.22x = 33,434,540,451.36
  5. Step 5: Solve for x
    x = 33,434,540,451.36/210,558.22
  6. Step 6: Final answer
    x = 158,790.01

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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.