Home / 166,064.90-248,842.20-123,746.45

Finding the Fourth Proportional to 166,064.90, 248,842.20 and 123,746.45

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Solution

The fourth proportional to 166,064.90, 248,842.20 and 123,746.45 is: 185,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,064.90 : 248,842.20 = 123,746.45 : x
  2. Step 2: Convert to fraction form
    166,064.90/248,842.20 = 123,746.45/x
  3. Step 3: Cross multiply
    166,064.90x = 248,842.20 × 123,746.45
  4. Step 4: Simplify right side
    166,064.90x = 30,793,338,860.19
  5. Step 5: Solve for x
    x = 30,793,338,860.19/166,064.90
  6. Step 6: Final answer
    x = 185,429.55

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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.