Home / 116,537.51-174,525.86-78,983.66

Finding the Fourth Proportional to 116,537.51, 174,525.86 and 78,983.66

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Solution

The fourth proportional to 116,537.51, 174,525.86 and 78,983.66 is: 118,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,537.51 : 174,525.86 = 78,983.66 : x
  2. Step 2: Convert to fraction form
    116,537.51/174,525.86 = 78,983.66/x
  3. Step 3: Cross multiply
    116,537.51x = 174,525.86 × 78,983.66
  4. Step 4: Simplify right side
    116,537.51x = 13,784,689,919.90
  5. Step 5: Solve for x
    x = 13,784,689,919.90/116,537.51
  6. Step 6: Final answer
    x = 118,285.44

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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.