Home / 196,953.66-271,416.83-143,153.46

Finding the Fourth Proportional to 196,953.66, 271,416.83 and 143,153.46

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Solution

The fourth proportional to 196,953.66, 271,416.83 and 143,153.46 is: 197,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,953.66 : 271,416.83 = 143,153.46 : x
  2. Step 2: Convert to fraction form
    196,953.66/271,416.83 = 143,153.46/x
  3. Step 3: Cross multiply
    196,953.66x = 271,416.83 × 143,153.46
  4. Step 4: Simplify right side
    196,953.66x = 38,854,257,600.96
  5. Step 5: Solve for x
    x = 38,854,257,600.96/196,953.66
  6. Step 6: Final answer
    x = 197,276.14

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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.