Home / 211,355.31-291,673.89-114,562.23

Finding the Fourth Proportional to 211,355.31, 291,673.89 and 114,562.23

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Solution

The fourth proportional to 211,355.31, 291,673.89 and 114,562.23 is: 158,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,355.31 : 291,673.89 = 114,562.23 : x
  2. Step 2: Convert to fraction form
    211,355.31/291,673.89 = 114,562.23/x
  3. Step 3: Cross multiply
    211,355.31x = 291,673.89 × 114,562.23
  4. Step 4: Simplify right side
    211,355.31x = 33,414,811,271.17
  5. Step 5: Solve for x
    x = 33,414,811,271.17/211,355.31
  6. Step 6: Final answer
    x = 158,097.81

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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.