Home / 210,926.36-291,214.22-188,226.32

Finding the Fourth Proportional to 210,926.36, 291,214.22 and 188,226.32

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Solution

The fourth proportional to 210,926.36, 291,214.22 and 188,226.32 is: 259,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,926.36 : 291,214.22 = 188,226.32 : x
  2. Step 2: Convert to fraction form
    210,926.36/291,214.22 = 188,226.32/x
  3. Step 3: Cross multiply
    210,926.36x = 291,214.22 × 188,226.32
  4. Step 4: Simplify right side
    210,926.36x = 54,814,180,962.27
  5. Step 5: Solve for x
    x = 54,814,180,962.27/210,926.36
  6. Step 6: Final answer
    x = 259,873.55

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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.