Home / 116,710.60-160,867-82,675.40

Finding the Fourth Proportional to 116,710.60, 160,867 and 82,675.40

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Solution

The fourth proportional to 116,710.60, 160,867 and 82,675.40 is: 113,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,710.60 : 160,867 = 82,675.40 : x
  2. Step 2: Convert to fraction form
    116,710.60/160,867 = 82,675.40/x
  3. Step 3: Cross multiply
    116,710.60x = 160,867 × 82,675.40
  4. Step 4: Simplify right side
    116,710.60x = 13,299,743,571.80
  5. Step 5: Solve for x
    x = 13,299,743,571.80/116,710.60
  6. Step 6: Final answer
    x = 113,954.89

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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.