Home / 157,578.92-236,312.22-52,369.64

Finding the Fourth Proportional to 157,578.92, 236,312.22 and 52,369.64

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Solution

The fourth proportional to 157,578.92, 236,312.22 and 52,369.64 is: 78,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,578.92 : 236,312.22 = 52,369.64 : x
  2. Step 2: Convert to fraction form
    157,578.92/236,312.22 = 52,369.64/x
  3. Step 3: Cross multiply
    157,578.92x = 236,312.22 × 52,369.64
  4. Step 4: Simplify right side
    157,578.92x = 12,375,585,889.00
  5. Step 5: Solve for x
    x = 12,375,585,889.00/157,578.92
  6. Step 6: Final answer
    x = 78,535.80

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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.