Home / 236,457.20-354,686.21-189,371.77

Finding the Fourth Proportional to 236,457.20, 354,686.21 and 189,371.77

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Solution

The fourth proportional to 236,457.20, 354,686.21 and 189,371.77 is: 284,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,457.20 : 354,686.21 = 189,371.77 : x
  2. Step 2: Convert to fraction form
    236,457.20/354,686.21 = 189,371.77/x
  3. Step 3: Cross multiply
    236,457.20x = 354,686.21 × 189,371.77
  4. Step 4: Simplify right side
    236,457.20x = 67,167,555,382.29
  5. Step 5: Solve for x
    x = 67,167,555,382.29/236,457.20
  6. Step 6: Final answer
    x = 284,057.98

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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.