Home / 451,267.12-676,675.28-147,621.64

Finding the Fourth Proportional to 451,267.12, 676,675.28 and 147,621.64

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Solution

The fourth proportional to 451,267.12, 676,675.28 and 147,621.64 is: 221,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,267.12 : 676,675.28 = 147,621.64 : x
  2. Step 2: Convert to fraction form
    451,267.12/676,675.28 = 147,621.64/x
  3. Step 3: Cross multiply
    451,267.12x = 676,675.28 × 147,621.64
  4. Step 4: Simplify right side
    451,267.12x = 99,891,914,581.06
  5. Step 5: Solve for x
    x = 99,891,914,581.06/451,267.12
  6. Step 6: Final answer
    x = 221,358.73

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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.