Home / 291,627.29-437,613.16-123,136.71

Finding the Fourth Proportional to 291,627.29, 437,613.16 and 123,136.71

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Solution

The fourth proportional to 291,627.29, 437,613.16 and 123,136.71 is: 184,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,627.29 : 437,613.16 = 123,136.71 : x
  2. Step 2: Convert to fraction form
    291,627.29/437,613.16 = 123,136.71/x
  3. Step 3: Cross multiply
    291,627.29x = 437,613.16 × 123,136.71
  4. Step 4: Simplify right side
    291,627.29x = 53,886,244,775.10
  5. Step 5: Solve for x
    x = 53,886,244,775.10/291,627.29
  6. Step 6: Final answer
    x = 184,777.79

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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.