Home / 432,201.25-648,305.52-151,718.50

Finding the Fourth Proportional to 432,201.25, 648,305.52 and 151,718.50

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Solution

The fourth proportional to 432,201.25, 648,305.52 and 151,718.50 is: 227,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,201.25 : 648,305.52 = 151,718.50 : x
  2. Step 2: Convert to fraction form
    432,201.25/648,305.52 = 151,718.50/x
  3. Step 3: Cross multiply
    432,201.25x = 648,305.52 × 151,718.50
  4. Step 4: Simplify right side
    432,201.25x = 98,359,941,036.12
  5. Step 5: Solve for x
    x = 98,359,941,036.12/432,201.25
  6. Step 6: Final answer
    x = 227,579.03

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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.