Home / 211,339.53-291,656.03-115,846.20

Finding the Fourth Proportional to 211,339.53, 291,656.03 and 115,846.20

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Solution

The fourth proportional to 211,339.53, 291,656.03 and 115,846.20 is: 159,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,339.53 : 291,656.03 = 115,846.20 : x
  2. Step 2: Convert to fraction form
    211,339.53/291,656.03 = 115,846.20/x
  3. Step 3: Cross multiply
    211,339.53x = 291,656.03 × 115,846.20
  4. Step 4: Simplify right side
    211,339.53x = 33,787,242,203.36
  5. Step 5: Solve for x
    x = 33,787,242,203.36/211,339.53
  6. Step 6: Final answer
    x = 159,871.85

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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.