Home / 211,096.08-291,312.42-115,604.64

Finding the Fourth Proportional to 211,096.08, 291,312.42 and 115,604.64

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Solution

The fourth proportional to 211,096.08, 291,312.42 and 115,604.64 is: 159,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,096.08 : 291,312.42 = 115,604.64 : x
  2. Step 2: Convert to fraction form
    211,096.08/291,312.42 = 115,604.64/x
  3. Step 3: Cross multiply
    211,096.08x = 291,312.42 × 115,604.64
  4. Step 4: Simplify right side
    211,096.08x = 33,677,067,441.63
  5. Step 5: Solve for x
    x = 33,677,067,441.63/211,096.08
  6. Step 6: Final answer
    x = 159,534.31

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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.