Home / 211,549.38-291,920.63-116,056.07

Finding the Fourth Proportional to 211,549.38, 291,920.63 and 116,056.07

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Solution

The fourth proportional to 211,549.38, 291,920.63 and 116,056.07 is: 160,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,549.38 : 291,920.63 = 116,056.07 : x
  2. Step 2: Convert to fraction form
    211,549.38/291,920.63 = 116,056.07/x
  3. Step 3: Cross multiply
    211,549.38x = 291,920.63 × 116,056.07
  4. Step 4: Simplify right side
    211,549.38x = 33,879,162,745.82
  5. Step 5: Solve for x
    x = 33,879,162,745.82/211,549.38
  6. Step 6: Final answer
    x = 160,147.78

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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.