Home / 116,518.40-160,753.92-68,747.84

Finding the Fourth Proportional to 116,518.40, 160,753.92 and 68,747.84

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Solution

The fourth proportional to 116,518.40, 160,753.92 and 68,747.84 is: 94,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,518.40 : 160,753.92 = 68,747.84 : x
  2. Step 2: Convert to fraction form
    116,518.40/160,753.92 = 68,747.84/x
  3. Step 3: Cross multiply
    116,518.40x = 160,753.92 × 68,747.84
  4. Step 4: Simplify right side
    116,518.40x = 11,051,484,771.53
  5. Step 5: Solve for x
    x = 11,051,484,771.53/116,518.40
  6. Step 6: Final answer
    x = 94,847.55

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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.