Home / 116,383.08-160,596.18-78,134.88

Finding the Fourth Proportional to 116,383.08, 160,596.18 and 78,134.88

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Solution

The fourth proportional to 116,383.08, 160,596.18 and 78,134.88 is: 107,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,383.08 : 160,596.18 = 78,134.88 : x
  2. Step 2: Convert to fraction form
    116,383.08/160,596.18 = 78,134.88/x
  3. Step 3: Cross multiply
    116,383.08x = 160,596.18 × 78,134.88
  4. Step 4: Simplify right side
    116,383.08x = 12,548,163,252.76
  5. Step 5: Solve for x
    x = 12,548,163,252.76/116,383.08
  6. Step 6: Final answer
    x = 107,817.76

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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.