Home / 110,532.94-152,185.74-100,431.16

Finding the Fourth Proportional to 110,532.94, 152,185.74 and 100,431.16

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Solution

The fourth proportional to 110,532.94, 152,185.74 and 100,431.16 is: 138,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,532.94 : 152,185.74 = 100,431.16 : x
  2. Step 2: Convert to fraction form
    110,532.94/152,185.74 = 100,431.16/x
  3. Step 3: Cross multiply
    110,532.94x = 152,185.74 × 100,431.16
  4. Step 4: Simplify right side
    110,532.94x = 15,284,189,646.58
  5. Step 5: Solve for x
    x = 15,284,189,646.58/110,532.94
  6. Step 6: Final answer
    x = 138,277.24

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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.