Home / 136,525.53-188,406.09-76,100.00

Finding the Fourth Proportional to 136,525.53, 188,406.09 and 76,100.00

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Solution

The fourth proportional to 136,525.53, 188,406.09 and 76,100.00 is: 105,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,525.53 : 188,406.09 = 76,100.00 : x
  2. Step 2: Convert to fraction form
    136,525.53/188,406.09 = 76,100.00/x
  3. Step 3: Cross multiply
    136,525.53x = 188,406.09 × 76,100.00
  4. Step 4: Simplify right side
    136,525.53x = 14,337,702,506.97
  5. Step 5: Solve for x
    x = 14,337,702,506.97/136,525.53
  6. Step 6: Final answer
    x = 105,018.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.