Home / 211,011.56-291,202.51-115,527.14

Finding the Fourth Proportional to 211,011.56, 291,202.51 and 115,527.14

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Solution

The fourth proportional to 211,011.56, 291,202.51 and 115,527.14 is: 159,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,011.56 : 291,202.51 = 115,527.14 : x
  2. Step 2: Convert to fraction form
    211,011.56/291,202.51 = 115,527.14/x
  3. Step 3: Cross multiply
    211,011.56x = 291,202.51 × 115,527.14
  4. Step 4: Simplify right side
    211,011.56x = 33,641,793,141.12
  5. Step 5: Solve for x
    x = 33,641,793,141.12/211,011.56
  6. Step 6: Final answer
    x = 159,431.04

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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.