Home / 153,826.56-230,738.81-82,782.63

Finding the Fourth Proportional to 153,826.56, 230,738.81 and 82,782.63

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Solution

The fourth proportional to 153,826.56, 230,738.81 and 82,782.63 is: 124,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,826.56 : 230,738.81 = 82,782.63 : x
  2. Step 2: Convert to fraction form
    153,826.56/230,738.81 = 82,782.63/x
  3. Step 3: Cross multiply
    153,826.56x = 230,738.81 × 82,782.63
  4. Step 4: Simplify right side
    153,826.56x = 19,101,163,967.26
  5. Step 5: Solve for x
    x = 19,101,163,967.26/153,826.56
  6. Step 6: Final answer
    x = 124,173.38

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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.