Home / 131,887.47-182,012.36-74,525.30

Finding the Fourth Proportional to 131,887.47, 182,012.36 and 74,525.30

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Solution

The fourth proportional to 131,887.47, 182,012.36 and 74,525.30 is: 102,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,887.47 : 182,012.36 = 74,525.30 : x
  2. Step 2: Convert to fraction form
    131,887.47/182,012.36 = 74,525.30/x
  3. Step 3: Cross multiply
    131,887.47x = 182,012.36 × 74,525.30
  4. Step 4: Simplify right side
    131,887.47x = 13,564,524,450.02
  5. Step 5: Solve for x
    x = 13,564,524,450.02/131,887.47
  6. Step 6: Final answer
    x = 102,849.23

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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.