Home / 251,845.49-347,620.05-201,210.77

Finding the Fourth Proportional to 251,845.49, 347,620.05 and 201,210.77

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Solution

The fourth proportional to 251,845.49, 347,620.05 and 201,210.77 is: 277,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,845.49 : 347,620.05 = 201,210.77 : x
  2. Step 2: Convert to fraction form
    251,845.49/347,620.05 = 201,210.77/x
  3. Step 3: Cross multiply
    251,845.49x = 347,620.05 × 201,210.77
  4. Step 4: Simplify right side
    251,845.49x = 69,944,896,189.84
  5. Step 5: Solve for x
    x = 69,944,896,189.84/251,845.49
  6. Step 6: Final answer
    x = 277,729.40

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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.