Home / 292,919.72-438,812.12-166,176.59

Finding the Fourth Proportional to 292,919.72, 438,812.12 and 166,176.59

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Solution

The fourth proportional to 292,919.72, 438,812.12 and 166,176.59 is: 248,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,919.72 : 438,812.12 = 166,176.59 : x
  2. Step 2: Convert to fraction form
    292,919.72/438,812.12 = 166,176.59/x
  3. Step 3: Cross multiply
    292,919.72x = 438,812.12 × 166,176.59
  4. Step 4: Simplify right side
    292,919.72x = 72,920,299,973.65
  5. Step 5: Solve for x
    x = 72,920,299,973.65/292,919.72
  6. Step 6: Final answer
    x = 248,942.96

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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.