Home / 352,989.90-487,129.83-191,844.96

Finding the Fourth Proportional to 352,989.90, 487,129.83 and 191,844.96

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Solution

The fourth proportional to 352,989.90, 487,129.83 and 191,844.96 is: 264,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,989.90 : 487,129.83 = 191,844.96 : x
  2. Step 2: Convert to fraction form
    352,989.90/487,129.83 = 191,844.96/x
  3. Step 3: Cross multiply
    352,989.90x = 487,129.83 × 191,844.96
  4. Step 4: Simplify right side
    352,989.90x = 93,453,402,751.16
  5. Step 5: Solve for x
    x = 93,453,402,751.16/352,989.90
  6. Step 6: Final answer
    x = 264,748.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.