Home / 357,964.32-493,991.16-196,822.08

Finding the Fourth Proportional to 357,964.32, 493,991.16 and 196,822.08

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Solution

The fourth proportional to 357,964.32, 493,991.16 and 196,822.08 is: 271,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,964.32 : 493,991.16 = 196,822.08 : x
  2. Step 2: Convert to fraction form
    357,964.32/493,991.16 = 196,822.08/x
  3. Step 3: Cross multiply
    357,964.32x = 493,991.16 × 196,822.08
  4. Step 4: Simplify right side
    357,964.32x = 97,228,367,612.81
  5. Step 5: Solve for x
    x = 97,228,367,612.81/357,964.32
  6. Step 6: Final answer
    x = 271,614.69

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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.