Home / 196,457.12-271,112.64-107,033.12

Finding the Fourth Proportional to 196,457.12, 271,112.64 and 107,033.12

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Solution

The fourth proportional to 196,457.12, 271,112.64 and 107,033.12 is: 147,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,457.12 : 271,112.64 = 107,033.12 : x
  2. Step 2: Convert to fraction form
    196,457.12/271,112.64 = 107,033.12/x
  3. Step 3: Cross multiply
    196,457.12x = 271,112.64 × 107,033.12
  4. Step 4: Simplify right side
    196,457.12x = 29,018,031,730.64
  5. Step 5: Solve for x
    x = 29,018,031,730.64/196,457.12
  6. Step 6: Final answer
    x = 147,706.69

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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.