Home / 362,126.10-543,186.45-109,406.10

Finding the Fourth Proportional to 362,126.10, 543,186.45 and 109,406.10

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Solution

The fourth proportional to 362,126.10, 543,186.45 and 109,406.10 is: 164,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,126.10 : 543,186.45 = 109,406.10 : x
  2. Step 2: Convert to fraction form
    362,126.10/543,186.45 = 109,406.10/x
  3. Step 3: Cross multiply
    362,126.10x = 543,186.45 × 109,406.10
  4. Step 4: Simplify right side
    362,126.10x = 59,427,911,067.35
  5. Step 5: Solve for x
    x = 59,427,911,067.35/362,126.10
  6. Step 6: Final answer
    x = 164,108.33

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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.