Home / 175,071.79-262,616.99-55,138.12

Finding the Fourth Proportional to 175,071.79, 262,616.99 and 55,138.12

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Solution

The fourth proportional to 175,071.79, 262,616.99 and 55,138.12 is: 82,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,071.79 : 262,616.99 = 55,138.12 : x
  2. Step 2: Convert to fraction form
    175,071.79/262,616.99 = 55,138.12/x
  3. Step 3: Cross multiply
    175,071.79x = 262,616.99 × 55,138.12
  4. Step 4: Simplify right side
    175,071.79x = 14,480,205,795.57
  5. Step 5: Solve for x
    x = 14,480,205,795.57/175,071.79
  6. Step 6: Final answer
    x = 82,710.11

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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.