Home / 211,145.04-291,380.52-115,651.92

Finding the Fourth Proportional to 211,145.04, 291,380.52 and 115,651.92

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Solution

The fourth proportional to 211,145.04, 291,380.52 and 115,651.92 is: 159,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,145.04 : 291,380.52 = 115,651.92 : x
  2. Step 2: Convert to fraction form
    211,145.04/291,380.52 = 115,651.92/x
  3. Step 3: Cross multiply
    211,145.04x = 291,380.52 × 115,651.92
  4. Step 4: Simplify right side
    211,145.04x = 33,698,716,588.60
  5. Step 5: Solve for x
    x = 33,698,716,588.60/211,145.04
  6. Step 6: Final answer
    x = 159,599.85

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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.