Home / 210,926.88-317,857.68-190,942.48

Finding the Fourth Proportional to 210,926.88, 317,857.68 and 190,942.48

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Solution

The fourth proportional to 210,926.88, 317,857.68 and 190,942.48 is: 287,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,926.88 : 317,857.68 = 190,942.48 : x
  2. Step 2: Convert to fraction form
    210,926.88/317,857.68 = 190,942.48/x
  3. Step 3: Cross multiply
    210,926.88x = 317,857.68 × 190,942.48
  4. Step 4: Simplify right side
    210,926.88x = 60,692,533,706.25
  5. Step 5: Solve for x
    x = 60,692,533,706.25/210,926.88
  6. Step 6: Final answer
    x = 287,742.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.