Home / 292,445.16-438,842.73-268,650.60

Finding the Fourth Proportional to 292,445.16, 438,842.73 and 268,650.60

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Solution

The fourth proportional to 292,445.16, 438,842.73 and 268,650.60 is: 403,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,445.16 : 438,842.73 = 268,650.60 : x
  2. Step 2: Convert to fraction form
    292,445.16/438,842.73 = 268,650.60/x
  3. Step 3: Cross multiply
    292,445.16x = 438,842.73 × 268,650.60
  4. Step 4: Simplify right side
    292,445.16x = 117,895,362,720.14
  5. Step 5: Solve for x
    x = 117,895,362,720.14/292,445.16
  6. Step 6: Final answer
    x = 403,136.65

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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.