Home / 211,273.61-291,559.87-115,778.25

Finding the Fourth Proportional to 211,273.61, 291,559.87 and 115,778.25

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Solution

The fourth proportional to 211,273.61, 291,559.87 and 115,778.25 is: 159,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,273.61 : 291,559.87 = 115,778.25 : x
  2. Step 2: Convert to fraction form
    211,273.61/291,559.87 = 115,778.25/x
  3. Step 3: Cross multiply
    211,273.61x = 291,559.87 × 115,778.25
  4. Step 4: Simplify right side
    211,273.61x = 33,756,291,663.55
  5. Step 5: Solve for x
    x = 33,756,291,663.55/211,273.61
  6. Step 6: Final answer
    x = 159,775.24

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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.