Home / 117,509.40-176,293.26-55,107

Finding the Fourth Proportional to 117,509.40, 176,293.26 and 55,107

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Solution

The fourth proportional to 117,509.40, 176,293.26 and 55,107 is: 82,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,509.40 : 176,293.26 = 55,107 : x
  2. Step 2: Convert to fraction form
    117,509.40/176,293.26 = 55,107/x
  3. Step 3: Cross multiply
    117,509.40x = 176,293.26 × 55,107
  4. Step 4: Simplify right side
    117,509.40x = 9,714,992,678.82
  5. Step 5: Solve for x
    x = 9,714,992,678.82/117,509.40
  6. Step 6: Final answer
    x = 82,674.17

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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.