Home / 257,245.50-354,998.91-144,068.28

Finding the Fourth Proportional to 257,245.50, 354,998.91 and 144,068.28

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Solution

The fourth proportional to 257,245.50, 354,998.91 and 144,068.28 is: 198,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,245.50 : 354,998.91 = 144,068.28 : x
  2. Step 2: Convert to fraction form
    257,245.50/354,998.91 = 144,068.28/x
  3. Step 3: Cross multiply
    257,245.50x = 354,998.91 × 144,068.28
  4. Step 4: Simplify right side
    257,245.50x = 51,144,082,365.57
  5. Step 5: Solve for x
    x = 51,144,082,365.57/257,245.50
  6. Step 6: Final answer
    x = 198,814.29

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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.