Home / 110,730.30-166,095.45-76,904.70

Finding the Fourth Proportional to 110,730.30, 166,095.45 and 76,904.70

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Solution

The fourth proportional to 110,730.30, 166,095.45 and 76,904.70 is: 115,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,730.30 : 166,095.45 = 76,904.70 : x
  2. Step 2: Convert to fraction form
    110,730.30/166,095.45 = 76,904.70/x
  3. Step 3: Cross multiply
    110,730.30x = 166,095.45 × 76,904.70
  4. Step 4: Simplify right side
    110,730.30x = 12,773,520,753.62
  5. Step 5: Solve for x
    x = 12,773,520,753.62/110,730.30
  6. Step 6: Final answer
    x = 115,357.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.