Home / 117,401.47-176,025.61-77,299.08

Finding the Fourth Proportional to 117,401.47, 176,025.61 and 77,299.08

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Solution

The fourth proportional to 117,401.47, 176,025.61 and 77,299.08 is: 115,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,401.47 : 176,025.61 = 77,299.08 : x
  2. Step 2: Convert to fraction form
    117,401.47/176,025.61 = 77,299.08/x
  3. Step 3: Cross multiply
    117,401.47x = 176,025.61 × 77,299.08
  4. Step 4: Simplify right side
    117,401.47x = 13,606,617,709.44
  5. Step 5: Solve for x
    x = 13,606,617,709.44/117,401.47
  6. Step 6: Final answer
    x = 115,898.19

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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.