Home / 119,133.45-178,700.24-74,791.35

Finding the Fourth Proportional to 119,133.45, 178,700.24 and 74,791.35

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Solution

The fourth proportional to 119,133.45, 178,700.24 and 74,791.35 is: 112,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,133.45 : 178,700.24 = 74,791.35 : x
  2. Step 2: Convert to fraction form
    119,133.45/178,700.24 = 74,791.35/x
  3. Step 3: Cross multiply
    119,133.45x = 178,700.24 × 74,791.35
  4. Step 4: Simplify right side
    119,133.45x = 13,365,232,381.90
  5. Step 5: Solve for x
    x = 13,365,232,381.90/119,133.45
  6. Step 6: Final answer
    x = 112,187.07

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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.