Home / 117,686.56-176,528.30-28,940.84

Finding the Fourth Proportional to 117,686.56, 176,528.30 and 28,940.84

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Solution

The fourth proportional to 117,686.56, 176,528.30 and 28,940.84 is: 43,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,686.56 : 176,528.30 = 28,940.84 : x
  2. Step 2: Convert to fraction form
    117,686.56/176,528.30 = 28,940.84/x
  3. Step 3: Cross multiply
    117,686.56x = 176,528.30 × 28,940.84
  4. Step 4: Simplify right side
    117,686.56x = 5,108,877,285.77
  5. Step 5: Solve for x
    x = 5,108,877,285.77/117,686.56
  6. Step 6: Final answer
    x = 43,410.88

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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.