Home / 117,656.78-176,507.04-38,776.56

Finding the Fourth Proportional to 117,656.78, 176,507.04 and 38,776.56

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Solution

The fourth proportional to 117,656.78, 176,507.04 and 38,776.56 is: 58,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,656.78 : 176,507.04 = 38,776.56 : x
  2. Step 2: Convert to fraction form
    117,656.78/176,507.04 = 38,776.56/x
  3. Step 3: Cross multiply
    117,656.78x = 176,507.04 × 38,776.56
  4. Step 4: Simplify right side
    117,656.78x = 6,844,335,826.98
  5. Step 5: Solve for x
    x = 6,844,335,826.98/117,656.78
  6. Step 6: Final answer
    x = 58,172.05

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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.