Home / 117,478.12-176,215.66-28,732.36

Finding the Fourth Proportional to 117,478.12, 176,215.66 and 28,732.36

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Solution

The fourth proportional to 117,478.12, 176,215.66 and 28,732.36 is: 43,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,478.12 : 176,215.66 = 28,732.36 : x
  2. Step 2: Convert to fraction form
    117,478.12/176,215.66 = 28,732.36/x
  3. Step 3: Cross multiply
    117,478.12x = 176,215.66 × 28,732.36
  4. Step 4: Simplify right side
    117,478.12x = 5,063,091,780.76
  5. Step 5: Solve for x
    x = 5,063,091,780.76/117,478.12
  6. Step 6: Final answer
    x = 43,098.17

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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.