Home / 342,136.08-513,143.64-92,837.52

Finding the Fourth Proportional to 342,136.08, 513,143.64 and 92,837.52

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Solution

The fourth proportional to 342,136.08, 513,143.64 and 92,837.52 is: 139,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,136.08 : 513,143.64 = 92,837.52 : x
  2. Step 2: Convert to fraction form
    342,136.08/513,143.64 = 92,837.52/x
  3. Step 3: Cross multiply
    342,136.08x = 513,143.64 × 92,837.52
  4. Step 4: Simplify right side
    342,136.08x = 47,638,982,941.37
  5. Step 5: Solve for x
    x = 47,638,982,941.37/342,136.08
  6. Step 6: Final answer
    x = 139,239.87

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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.