Home / 185,767.58-256,368.30-105,198.50

Finding the Fourth Proportional to 185,767.58, 256,368.30 and 105,198.50

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Solution

The fourth proportional to 185,767.58, 256,368.30 and 105,198.50 is: 145,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,767.58 : 256,368.30 = 105,198.50 : x
  2. Step 2: Convert to fraction form
    185,767.58/256,368.30 = 105,198.50/x
  3. Step 3: Cross multiply
    185,767.58x = 256,368.30 × 105,198.50
  4. Step 4: Simplify right side
    185,767.58x = 26,969,560,607.55
  5. Step 5: Solve for x
    x = 26,969,560,607.55/185,767.58
  6. Step 6: Final answer
    x = 145,179.05

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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.