Home / 97,716.10-146,574.15-72,832.90

Finding the Fourth Proportional to 97,716.10, 146,574.15 and 72,832.90

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Solution

The fourth proportional to 97,716.10, 146,574.15 and 72,832.90 is: 109,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,716.10 : 146,574.15 = 72,832.90 : x
  2. Step 2: Convert to fraction form
    97,716.10/146,574.15 = 72,832.90/x
  3. Step 3: Cross multiply
    97,716.10x = 146,574.15 × 72,832.90
  4. Step 4: Simplify right side
    97,716.10x = 10,675,420,409.54
  5. Step 5: Solve for x
    x = 10,675,420,409.54/97,716.10
  6. Step 6: Final answer
    x = 109,249.35

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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.