Home / 142,658.82-196,852.38-82,228.74

Finding the Fourth Proportional to 142,658.82, 196,852.38 and 82,228.74

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Solution

The fourth proportional to 142,658.82, 196,852.38 and 82,228.74 is: 113,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,658.82 : 196,852.38 = 82,228.74 : x
  2. Step 2: Convert to fraction form
    142,658.82/196,852.38 = 82,228.74/x
  3. Step 3: Cross multiply
    142,658.82x = 196,852.38 × 82,228.74
  4. Step 4: Simplify right side
    142,658.82x = 16,186,923,173.40
  5. Step 5: Solve for x
    x = 16,186,923,173.40/142,658.82
  6. Step 6: Final answer
    x = 113,465.98

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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.