Home / 321,864.46-444,070.30-185,880.45

Finding the Fourth Proportional to 321,864.46, 444,070.30 and 185,880.45

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Solution

The fourth proportional to 321,864.46, 444,070.30 and 185,880.45 is: 256,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,864.46 : 444,070.30 = 185,880.45 : x
  2. Step 2: Convert to fraction form
    321,864.46/444,070.30 = 185,880.45/x
  3. Step 3: Cross multiply
    321,864.46x = 444,070.30 × 185,880.45
  4. Step 4: Simplify right side
    321,864.46x = 82,543,987,195.64
  5. Step 5: Solve for x
    x = 82,543,987,195.64/321,864.46
  6. Step 6: Final answer
    x = 256,455.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.