Home / 110,100.60-151,928.46-76,145.40

Finding the Fourth Proportional to 110,100.60, 151,928.46 and 76,145.40

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Solution

The fourth proportional to 110,100.60, 151,928.46 and 76,145.40 is: 105,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,100.60 : 151,928.46 = 76,145.40 : x
  2. Step 2: Convert to fraction form
    110,100.60/151,928.46 = 76,145.40/x
  3. Step 3: Cross multiply
    110,100.60x = 151,928.46 × 76,145.40
  4. Step 4: Simplify right side
    110,100.60x = 11,568,653,358.08
  5. Step 5: Solve for x
    x = 11,568,653,358.08/110,100.60
  6. Step 6: Final answer
    x = 105,073.48

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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.