Home / 210,457.10-289,840.38-196,949.34

Finding the Fourth Proportional to 210,457.10, 289,840.38 and 196,949.34

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Solution

The fourth proportional to 210,457.10, 289,840.38 and 196,949.34 is: 271,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,457.10 : 289,840.38 = 196,949.34 : x
  2. Step 2: Convert to fraction form
    210,457.10/289,840.38 = 196,949.34/x
  3. Step 3: Cross multiply
    210,457.10x = 289,840.38 × 196,949.34
  4. Step 4: Simplify right side
    210,457.10x = 57,083,870,807.79
  5. Step 5: Solve for x
    x = 57,083,870,807.79/210,457.10
  6. Step 6: Final answer
    x = 271,237.56

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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.