Home / 211,083.10-291,285.93-115,588.15

Finding the Fourth Proportional to 211,083.10, 291,285.93 and 115,588.15

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Solution

The fourth proportional to 211,083.10, 291,285.93 and 115,588.15 is: 159,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,083.10 : 291,285.93 = 115,588.15 : x
  2. Step 2: Convert to fraction form
    211,083.10/291,285.93 = 115,588.15/x
  3. Step 3: Cross multiply
    211,083.10x = 291,285.93 × 115,588.15
  4. Step 4: Simplify right side
    211,083.10x = 33,669,201,769.73
  5. Step 5: Solve for x
    x = 33,669,201,769.73/211,083.10
  6. Step 6: Final answer
    x = 159,506.86

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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.