Home / 211,049.46-291,237-115,537.74

Finding the Fourth Proportional to 211,049.46, 291,237 and 115,537.74

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Solution

The fourth proportional to 211,049.46, 291,237 and 115,537.74 is: 159,435.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,049.46 : 291,237 = 115,537.74 : x
  2. Step 2: Convert to fraction form
    211,049.46/291,237 = 115,537.74/x
  3. Step 3: Cross multiply
    211,049.46x = 291,237 × 115,537.74
  4. Step 4: Simplify right side
    211,049.46x = 33,648,864,784.38
  5. Step 5: Solve for x
    x = 33,648,864,784.38/211,049.46
  6. Step 6: Final answer
    x = 159,435.92

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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.