Home / 357,964.57-493,991.45-196,822.36

Finding the Fourth Proportional to 357,964.57, 493,991.45 and 196,822.36

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Solution

The fourth proportional to 357,964.57, 493,991.45 and 196,822.36 is: 271,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,964.57 : 493,991.45 = 196,822.36 : x
  2. Step 2: Convert to fraction form
    357,964.57/493,991.45 = 196,822.36/x
  3. Step 3: Cross multiply
    357,964.57x = 493,991.45 × 196,822.36
  4. Step 4: Simplify right side
    357,964.57x = 97,228,563,008.82
  5. Step 5: Solve for x
    x = 97,228,563,008.82/357,964.57
  6. Step 6: Final answer
    x = 271,615.05

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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.