Home / 351,983.78-528,074.07-115,492.52

Finding the Fourth Proportional to 351,983.78, 528,074.07 and 115,492.52

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Solution

The fourth proportional to 351,983.78, 528,074.07 and 115,492.52 is: 173,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,983.78 : 528,074.07 = 115,492.52 : x
  2. Step 2: Convert to fraction form
    351,983.78/528,074.07 = 115,492.52/x
  3. Step 3: Cross multiply
    351,983.78x = 528,074.07 × 115,492.52
  4. Step 4: Simplify right side
    351,983.78x = 60,988,605,090.96
  5. Step 5: Solve for x
    x = 60,988,605,090.96/351,983.78
  6. Step 6: Final answer
    x = 173,271.07

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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.