Home / 211,147.04-291,383.28-115,653.92

Finding the Fourth Proportional to 211,147.04, 291,383.28 and 115,653.92

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Solution

The fourth proportional to 211,147.04, 291,383.28 and 115,653.92 is: 159,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,147.04 : 291,383.28 = 115,653.92 : x
  2. Step 2: Convert to fraction form
    211,147.04/291,383.28 = 115,653.92/x
  3. Step 3: Cross multiply
    211,147.04x = 291,383.28 × 115,653.92
  4. Step 4: Simplify right side
    211,147.04x = 33,699,618,554.46
  5. Step 5: Solve for x
    x = 33,699,618,554.46/211,147.04
  6. Step 6: Final answer
    x = 159,602.61

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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.