Home / 220,122.70-329,892.45-195,045.10

Finding the Fourth Proportional to 220,122.70, 329,892.45 and 195,045.10

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Solution

The fourth proportional to 220,122.70, 329,892.45 and 195,045.10 is: 292,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,122.70 : 329,892.45 = 195,045.10 : x
  2. Step 2: Convert to fraction form
    220,122.70/329,892.45 = 195,045.10/x
  3. Step 3: Cross multiply
    220,122.70x = 329,892.45 × 195,045.10
  4. Step 4: Simplify right side
    220,122.70x = 64,343,905,899.50
  5. Step 5: Solve for x
    x = 64,343,905,899.50/220,122.70
  6. Step 6: Final answer
    x = 292,309.27

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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.