Home / 116,137.59-174,088.73-78,701.44

Finding the Fourth Proportional to 116,137.59, 174,088.73 and 78,701.44

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Solution

The fourth proportional to 116,137.59, 174,088.73 and 78,701.44 is: 117,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,137.59 : 174,088.73 = 78,701.44 : x
  2. Step 2: Convert to fraction form
    116,137.59/174,088.73 = 78,701.44/x
  3. Step 3: Cross multiply
    116,137.59x = 174,088.73 × 78,701.44
  4. Step 4: Simplify right side
    116,137.59x = 13,701,033,738.77
  5. Step 5: Solve for x
    x = 13,701,033,738.77/116,137.59
  6. Step 6: Final answer
    x = 117,972.43

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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.