Home / 142,701.40-213,857.70-95,181.40

Finding the Fourth Proportional to 142,701.40, 213,857.70 and 95,181.40

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Solution

The fourth proportional to 142,701.40, 213,857.70 and 95,181.40 is: 142,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,701.40 : 213,857.70 = 95,181.40 : x
  2. Step 2: Convert to fraction form
    142,701.40/213,857.70 = 95,181.40/x
  3. Step 3: Cross multiply
    142,701.40x = 213,857.70 × 95,181.40
  4. Step 4: Simplify right side
    142,701.40x = 20,355,275,286.78
  5. Step 5: Solve for x
    x = 20,355,275,286.78/142,701.40
  6. Step 6: Final answer
    x = 142,642.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.