Home / 185,926.07-256,568.15-105,354.56

Finding the Fourth Proportional to 185,926.07, 256,568.15 and 105,354.56

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Solution

The fourth proportional to 185,926.07, 256,568.15 and 105,354.56 is: 145,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,926.07 : 256,568.15 = 105,354.56 : x
  2. Step 2: Convert to fraction form
    185,926.07/256,568.15 = 105,354.56/x
  3. Step 3: Cross multiply
    185,926.07x = 256,568.15 × 105,354.56
  4. Step 4: Simplify right side
    185,926.07x = 27,030,622,743.65
  5. Step 5: Solve for x
    x = 27,030,622,743.65/185,926.07
  6. Step 6: Final answer
    x = 145,383.72

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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.