Home / 277,634.08-416,483.34-135,378.28

Finding the Fourth Proportional to 277,634.08, 416,483.34 and 135,378.28

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Solution

The fourth proportional to 277,634.08, 416,483.34 and 135,378.28 is: 203,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,634.08 : 416,483.34 = 135,378.28 : x
  2. Step 2: Convert to fraction form
    277,634.08/416,483.34 = 135,378.28/x
  3. Step 3: Cross multiply
    277,634.08x = 416,483.34 × 135,378.28
  4. Step 4: Simplify right side
    277,634.08x = 56,382,798,217.86
  5. Step 5: Solve for x
    x = 56,382,798,217.86/277,634.08
  6. Step 6: Final answer
    x = 203,083.13

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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.