Home / 352,938.33-529,267.37-128,176.16

Finding the Fourth Proportional to 352,938.33, 529,267.37 and 128,176.16

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Solution

The fourth proportional to 352,938.33, 529,267.37 and 128,176.16 is: 192,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,938.33 : 529,267.37 = 128,176.16 : x
  2. Step 2: Convert to fraction form
    352,938.33/529,267.37 = 128,176.16/x
  3. Step 3: Cross multiply
    352,938.33x = 529,267.37 × 128,176.16
  4. Step 4: Simplify right side
    352,938.33x = 67,839,455,812.68
  5. Step 5: Solve for x
    x = 67,839,455,812.68/352,938.33
  6. Step 6: Final answer
    x = 192,213.34

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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.