Home / 151,284.14-208,770.40-83,299.70

Finding the Fourth Proportional to 151,284.14, 208,770.40 and 83,299.70

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Solution

The fourth proportional to 151,284.14, 208,770.40 and 83,299.70 is: 114,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,284.14 : 208,770.40 = 83,299.70 : x
  2. Step 2: Convert to fraction form
    151,284.14/208,770.40 = 83,299.70/x
  3. Step 3: Cross multiply
    151,284.14x = 208,770.40 × 83,299.70
  4. Step 4: Simplify right side
    151,284.14x = 17,390,511,688.88
  5. Step 5: Solve for x
    x = 17,390,511,688.88/151,284.14
  6. Step 6: Final answer
    x = 114,952.64

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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.