Home / 353,217.36-529,967.51-128,593.32

Finding the Fourth Proportional to 353,217.36, 529,967.51 and 128,593.32

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Solution

The fourth proportional to 353,217.36, 529,967.51 and 128,593.32 is: 192,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,217.36 : 529,967.51 = 128,593.32 : x
  2. Step 2: Convert to fraction form
    353,217.36/529,967.51 = 128,593.32/x
  3. Step 3: Cross multiply
    353,217.36x = 529,967.51 × 128,593.32
  4. Step 4: Simplify right side
    353,217.36x = 68,150,282,435.98
  5. Step 5: Solve for x
    x = 68,150,282,435.98/353,217.36
  6. Step 6: Final answer
    x = 192,941.49

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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.