Home / 211,032.67-291,224.94-115,539.34

Finding the Fourth Proportional to 211,032.67, 291,224.94 and 115,539.34

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Solution

The fourth proportional to 211,032.67, 291,224.94 and 115,539.34 is: 159,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,032.67 : 291,224.94 = 115,539.34 : x
  2. Step 2: Convert to fraction form
    211,032.67/291,224.94 = 115,539.34/x
  3. Step 3: Cross multiply
    211,032.67x = 291,224.94 × 115,539.34
  4. Step 4: Simplify right side
    211,032.67x = 33,647,937,359.14
  5. Step 5: Solve for x
    x = 33,647,937,359.14/211,032.67
  6. Step 6: Final answer
    x = 159,444.21

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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.