Home / 297,328.30-410,316.10-161,363.45

Finding the Fourth Proportional to 297,328.30, 410,316.10 and 161,363.45

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Solution

The fourth proportional to 297,328.30, 410,316.10 and 161,363.45 is: 222,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,328.30 : 410,316.10 = 161,363.45 : x
  2. Step 2: Convert to fraction form
    297,328.30/410,316.10 = 161,363.45/x
  3. Step 3: Cross multiply
    297,328.30x = 410,316.10 × 161,363.45
  4. Step 4: Simplify right side
    297,328.30x = 66,210,022,108.93
  5. Step 5: Solve for x
    x = 66,210,022,108.93/297,328.30
  6. Step 6: Final answer
    x = 222,683.22

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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.