Home / 126,529.36-189,826.98-37,782.88

Finding the Fourth Proportional to 126,529.36, 189,826.98 and 37,782.88

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Solution

The fourth proportional to 126,529.36, 189,826.98 and 37,782.88 is: 56,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,529.36 : 189,826.98 = 37,782.88 : x
  2. Step 2: Convert to fraction form
    126,529.36/189,826.98 = 37,782.88/x
  3. Step 3: Cross multiply
    126,529.36x = 189,826.98 × 37,782.88
  4. Step 4: Simplify right side
    126,529.36x = 7,172,210,006.10
  5. Step 5: Solve for x
    x = 7,172,210,006.10/126,529.36
  6. Step 6: Final answer
    x = 56,684.16

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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.