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Finding the Fourth Proportional to 210,457.37, 290,426.45 and 114,964.44

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Solution

The fourth proportional to 210,457.37, 290,426.45 and 114,964.44 is: 158,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,457.37 : 290,426.45 = 114,964.44 : x
  2. Step 2: Convert to fraction form
    210,457.37/290,426.45 = 114,964.44/x
  3. Step 3: Cross multiply
    210,457.37x = 290,426.45 × 114,964.44
  4. Step 4: Simplify right side
    210,457.37x = 33,388,713,610.62
  5. Step 5: Solve for x
    x = 33,388,713,610.62/210,457.37
  6. Step 6: Final answer
    x = 158,648.35

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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.