Home / 126,190.08-189,328.32-56,118.24

Finding the Fourth Proportional to 126,190.08, 189,328.32 and 56,118.24

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Solution

The fourth proportional to 126,190.08, 189,328.32 and 56,118.24 is: 84,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,190.08 : 189,328.32 = 56,118.24 : x
  2. Step 2: Convert to fraction form
    126,190.08/189,328.32 = 56,118.24/x
  3. Step 3: Cross multiply
    126,190.08x = 189,328.32 × 56,118.24
  4. Step 4: Simplify right side
    126,190.08x = 10,624,772,100.56
  5. Step 5: Solve for x
    x = 10,624,772,100.56/126,190.08
  6. Step 6: Final answer
    x = 84,196.57

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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.