Home / 321,961.10-482,941.65-202,210.70

Finding the Fourth Proportional to 321,961.10, 482,941.65 and 202,210.70

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Solution

The fourth proportional to 321,961.10, 482,941.65 and 202,210.70 is: 303,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,961.10 : 482,941.65 = 202,210.70 : x
  2. Step 2: Convert to fraction form
    321,961.10/482,941.65 = 202,210.70/x
  3. Step 3: Cross multiply
    321,961.10x = 482,941.65 × 202,210.70
  4. Step 4: Simplify right side
    321,961.10x = 97,655,969,105.66
  5. Step 5: Solve for x
    x = 97,655,969,105.66/321,961.10
  6. Step 6: Final answer
    x = 303,316.05

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Similar ratio
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1.5x scale

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.