Home / 142,681.14-196,855.34-82,243.53

Finding the Fourth Proportional to 142,681.14, 196,855.34 and 82,243.53

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Solution

The fourth proportional to 142,681.14, 196,855.34 and 82,243.53 is: 113,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,681.14 : 196,855.34 = 82,243.53 : x
  2. Step 2: Convert to fraction form
    142,681.14/196,855.34 = 82,243.53/x
  3. Step 3: Cross multiply
    142,681.14x = 196,855.34 × 82,243.53
  4. Step 4: Simplify right side
    142,681.14x = 16,190,077,649.73
  5. Step 5: Solve for x
    x = 16,190,077,649.73/142,681.14
  6. Step 6: Final answer
    x = 113,470.34

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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.