Home / 166,064.55-249,095.18-76,081.74

Finding the Fourth Proportional to 166,064.55, 249,095.18 and 76,081.74

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Solution

The fourth proportional to 166,064.55, 249,095.18 and 76,081.74 is: 114,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,064.55 : 249,095.18 = 76,081.74 : x
  2. Step 2: Convert to fraction form
    166,064.55/249,095.18 = 76,081.74/x
  3. Step 3: Cross multiply
    166,064.55x = 249,095.18 × 76,081.74
  4. Step 4: Simplify right side
    166,064.55x = 18,951,594,521.01
  5. Step 5: Solve for x
    x = 18,951,594,521.01/166,064.55
  6. Step 6: Final answer
    x = 114,121.86

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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.