Home / 355,833.12-491,045.54-194,686.32

Finding the Fourth Proportional to 355,833.12, 491,045.54 and 194,686.32

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Solution

The fourth proportional to 355,833.12, 491,045.54 and 194,686.32 is: 268,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,833.12 : 491,045.54 = 194,686.32 : x
  2. Step 2: Convert to fraction form
    355,833.12/491,045.54 = 194,686.32/x
  3. Step 3: Cross multiply
    355,833.12x = 491,045.54 × 194,686.32
  4. Step 4: Simplify right side
    355,833.12x = 95,599,849,135.01
  5. Step 5: Solve for x
    x = 95,599,849,135.01/355,833.12
  6. Step 6: Final answer
    x = 268,664.84

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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.