Home / 498,533.79-747,643.84-161,496.25

Finding the Fourth Proportional to 498,533.79, 747,643.84 and 161,496.25

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Solution

The fourth proportional to 498,533.79, 747,643.84 and 161,496.25 is: 242,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,533.79 : 747,643.84 = 161,496.25 : x
  2. Step 2: Convert to fraction form
    498,533.79/747,643.84 = 161,496.25/x
  3. Step 3: Cross multiply
    498,533.79x = 747,643.84 × 161,496.25
  4. Step 4: Simplify right side
    498,533.79x = 120,741,674,222.75
  5. Step 5: Solve for x
    x = 120,741,674,222.75/498,533.79
  6. Step 6: Final answer
    x = 242,193.56

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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.