Home / 321,264.09-443,336.90-185,298.30

Finding the Fourth Proportional to 321,264.09, 443,336.90 and 185,298.30

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Solution

The fourth proportional to 321,264.09, 443,336.90 and 185,298.30 is: 255,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,264.09 : 443,336.90 = 185,298.30 : x
  2. Step 2: Convert to fraction form
    321,264.09/443,336.90 = 185,298.30/x
  3. Step 3: Cross multiply
    321,264.09x = 443,336.90 × 185,298.30
  4. Step 4: Simplify right side
    321,264.09x = 82,149,572,970.78
  5. Step 5: Solve for x
    x = 82,149,572,970.78/321,264.09
  6. Step 6: Final answer
    x = 255,707.30

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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.