Home / 116,122.40-160,215.12-68,352.80

Finding the Fourth Proportional to 116,122.40, 160,215.12 and 68,352.80

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Solution

The fourth proportional to 116,122.40, 160,215.12 and 68,352.80 is: 94,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,122.40 : 160,215.12 = 68,352.80 : x
  2. Step 2: Convert to fraction form
    116,122.40/160,215.12 = 68,352.80/x
  3. Step 3: Cross multiply
    116,122.40x = 160,215.12 × 68,352.80
  4. Step 4: Simplify right side
    116,122.40x = 10,951,152,054.34
  5. Step 5: Solve for x
    x = 10,951,152,054.34/116,122.40
  6. Step 6: Final answer
    x = 94,306.97

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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.