Home / 450,856.49-676,329.90-166,621.76

Finding the Fourth Proportional to 450,856.49, 676,329.90 and 166,621.76

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Solution

The fourth proportional to 450,856.49, 676,329.90 and 166,621.76 is: 249,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,856.49 : 676,329.90 = 166,621.76 : x
  2. Step 2: Convert to fraction form
    450,856.49/676,329.90 = 166,621.76/x
  3. Step 3: Cross multiply
    450,856.49x = 676,329.90 × 166,621.76
  4. Step 4: Simplify right side
    450,856.49x = 112,691,274,063.87
  5. Step 5: Solve for x
    x = 112,691,274,063.87/450,856.49
  6. Step 6: Final answer
    x = 249,949.32

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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.