Home / 149,024.24-205,654.83-81,041.87

Finding the Fourth Proportional to 149,024.24, 205,654.83 and 81,041.87

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Solution

The fourth proportional to 149,024.24, 205,654.83 and 81,041.87 is: 111,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,024.24 : 205,654.83 = 81,041.87 : x
  2. Step 2: Convert to fraction form
    149,024.24/205,654.83 = 81,041.87/x
  3. Step 3: Cross multiply
    149,024.24x = 205,654.83 × 81,041.87
  4. Step 4: Simplify right side
    149,024.24x = 16,666,650,969.46
  5. Step 5: Solve for x
    x = 16,666,650,969.46/149,024.24
  6. Step 6: Final answer
    x = 111,838.52

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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.