Home / 103,073.37-154,614.71-28,191.84

Finding the Fourth Proportional to 103,073.37, 154,614.71 and 28,191.84

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Solution

The fourth proportional to 103,073.37, 154,614.71 and 28,191.84 is: 42,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,073.37 : 154,614.71 = 28,191.84 : x
  2. Step 2: Convert to fraction form
    103,073.37/154,614.71 = 28,191.84/x
  3. Step 3: Cross multiply
    103,073.37x = 154,614.71 × 28,191.84
  4. Step 4: Simplify right side
    103,073.37x = 4,358,873,165.97
  5. Step 5: Solve for x
    x = 4,358,873,165.97/103,073.37
  6. Step 6: Final answer
    x = 42,289.03

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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.