Home / 211,276.56-291,569.12-115,783.27

Finding the Fourth Proportional to 211,276.56, 291,569.12 and 115,783.27

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Solution

The fourth proportional to 211,276.56, 291,569.12 and 115,783.27 is: 159,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,276.56 : 291,569.12 = 115,783.27 : x
  2. Step 2: Convert to fraction form
    211,276.56/291,569.12 = 115,783.27/x
  3. Step 3: Cross multiply
    211,276.56x = 291,569.12 × 115,783.27
  4. Step 4: Simplify right side
    211,276.56x = 33,758,825,705.16
  5. Step 5: Solve for x
    x = 33,758,825,705.16/211,276.56
  6. Step 6: Final answer
    x = 159,785.00

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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.