Home / 185,653.44-256,206.36-100,770.30

Finding the Fourth Proportional to 185,653.44, 256,206.36 and 100,770.30

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Solution

The fourth proportional to 185,653.44, 256,206.36 and 100,770.30 is: 139,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,653.44 : 256,206.36 = 100,770.30 : x
  2. Step 2: Convert to fraction form
    185,653.44/256,206.36 = 100,770.30/x
  3. Step 3: Cross multiply
    185,653.44x = 256,206.36 × 100,770.30
  4. Step 4: Simplify right side
    185,653.44x = 25,817,991,759.11
  5. Step 5: Solve for x
    x = 25,817,991,759.11/185,653.44
  6. Step 6: Final answer
    x = 139,065.52

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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.