Home / 196,123.37-270,641.70-108,903.06

Finding the Fourth Proportional to 196,123.37, 270,641.70 and 108,903.06

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Solution

The fourth proportional to 196,123.37, 270,641.70 and 108,903.06 is: 150,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,123.37 : 270,641.70 = 108,903.06 : x
  2. Step 2: Convert to fraction form
    196,123.37/270,641.70 = 108,903.06/x
  3. Step 3: Cross multiply
    196,123.37x = 270,641.70 × 108,903.06
  4. Step 4: Simplify right side
    196,123.37x = 29,473,709,293.60
  5. Step 5: Solve for x
    x = 29,473,709,293.60/196,123.37
  6. Step 6: Final answer
    x = 150,281.48

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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.