Home / 105,995.28-146,274.48-58,249.68

Finding the Fourth Proportional to 105,995.28, 146,274.48 and 58,249.68

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Solution

The fourth proportional to 105,995.28, 146,274.48 and 58,249.68 is: 80,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,995.28 : 146,274.48 = 58,249.68 : x
  2. Step 2: Convert to fraction form
    105,995.28/146,274.48 = 58,249.68/x
  3. Step 3: Cross multiply
    105,995.28x = 146,274.48 × 58,249.68
  4. Step 4: Simplify right side
    105,995.28x = 8,520,441,652.17
  5. Step 5: Solve for x
    x = 8,520,441,652.17/105,995.28
  6. Step 6: Final answer
    x = 80,385.10

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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.