Home / 211,953.22-319,343.55-191,713.37

Finding the Fourth Proportional to 211,953.22, 319,343.55 and 191,713.37

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Solution

The fourth proportional to 211,953.22, 319,343.55 and 191,713.37 is: 288,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,953.22 : 319,343.55 = 191,713.37 : x
  2. Step 2: Convert to fraction form
    211,953.22/319,343.55 = 191,713.37/x
  3. Step 3: Cross multiply
    211,953.22x = 319,343.55 × 191,713.37
  4. Step 4: Simplify right side
    211,953.22x = 61,222,425,842.62
  5. Step 5: Solve for x
    x = 61,222,425,842.62/211,953.22
  6. Step 6: Final answer
    x = 288,848.76

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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.