Home / 119,330.94-164,682.62-74,023.53

Finding the Fourth Proportional to 119,330.94, 164,682.62 and 74,023.53

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Solution

The fourth proportional to 119,330.94, 164,682.62 and 74,023.53 is: 102,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,330.94 : 164,682.62 = 74,023.53 : x
  2. Step 2: Convert to fraction form
    119,330.94/164,682.62 = 74,023.53/x
  3. Step 3: Cross multiply
    119,330.94x = 164,682.62 × 74,023.53
  4. Step 4: Simplify right side
    119,330.94x = 12,190,388,429.55
  5. Step 5: Solve for x
    x = 12,190,388,429.55/119,330.94
  6. Step 6: Final answer
    x = 102,156.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.