Home / 352,887.32-529,010.16-128,151.20

Finding the Fourth Proportional to 352,887.32, 529,010.16 and 128,151.20

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Solution

The fourth proportional to 352,887.32, 529,010.16 and 128,151.20 is: 192,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,887.32 : 529,010.16 = 128,151.20 : x
  2. Step 2: Convert to fraction form
    352,887.32/529,010.16 = 128,151.20/x
  3. Step 3: Cross multiply
    352,887.32x = 529,010.16 × 128,151.20
  4. Step 4: Simplify right side
    352,887.32x = 67,793,286,816.19
  5. Step 5: Solve for x
    x = 67,793,286,816.19/352,887.32
  6. Step 6: Final answer
    x = 192,110.29

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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.