Home / 450,803.24-676,270.76-135,285.04

Finding the Fourth Proportional to 450,803.24, 676,270.76 and 135,285.04

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Solution

The fourth proportional to 450,803.24, 676,270.76 and 135,285.04 is: 202,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,803.24 : 676,270.76 = 135,285.04 : x
  2. Step 2: Convert to fraction form
    450,803.24/676,270.76 = 135,285.04/x
  3. Step 3: Cross multiply
    450,803.24x = 676,270.76 × 135,285.04
  4. Step 4: Simplify right side
    450,803.24x = 91,489,316,817.43
  5. Step 5: Solve for x
    x = 91,489,316,817.43/450,803.24
  6. Step 6: Final answer
    x = 202,947.34

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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.