Home / 211,343.82-291,654.47-115,848.46

Finding the Fourth Proportional to 211,343.82, 291,654.47 and 115,848.46

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Solution

The fourth proportional to 211,343.82, 291,654.47 and 115,848.46 is: 159,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,343.82 : 291,654.47 = 115,848.46 : x
  2. Step 2: Convert to fraction form
    211,343.82/291,654.47 = 115,848.46/x
  3. Step 3: Cross multiply
    211,343.82x = 291,654.47 × 115,848.46
  4. Step 4: Simplify right side
    211,343.82x = 33,787,721,855.81
  5. Step 5: Solve for x
    x = 33,787,721,855.81/211,343.82
  6. Step 6: Final answer
    x = 159,870.88

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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.