Home / 117,925.90-176,857.64-80,479.24

Finding the Fourth Proportional to 117,925.90, 176,857.64 and 80,479.24

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Solution

The fourth proportional to 117,925.90, 176,857.64 and 80,479.24 is: 120,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,925.90 : 176,857.64 = 80,479.24 : x
  2. Step 2: Convert to fraction form
    117,925.90/176,857.64 = 80,479.24/x
  3. Step 3: Cross multiply
    117,925.90x = 176,857.64 × 80,479.24
  4. Step 4: Simplify right side
    117,925.90x = 14,233,368,455.39
  5. Step 5: Solve for x
    x = 14,233,368,455.39/117,925.90
  6. Step 6: Final answer
    x = 120,697.56

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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.