Home / 142,249.40-213,179.70-94,729.40

Finding the Fourth Proportional to 142,249.40, 213,179.70 and 94,729.40

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Solution

The fourth proportional to 142,249.40, 213,179.70 and 94,729.40 is: 141,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,249.40 : 213,179.70 = 94,729.40 : x
  2. Step 2: Convert to fraction form
    142,249.40/213,179.70 = 94,729.40/x
  3. Step 3: Cross multiply
    142,249.40x = 213,179.70 × 94,729.40
  4. Step 4: Simplify right side
    142,249.40x = 20,194,385,073.18
  5. Step 5: Solve for x
    x = 20,194,385,073.18/142,249.40
  6. Step 6: Final answer
    x = 141,964.64

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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.