Home / 134,958.99-186,242.31-74,533.71

Finding the Fourth Proportional to 134,958.99, 186,242.31 and 74,533.71

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Solution

The fourth proportional to 134,958.99, 186,242.31 and 74,533.71 is: 102,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,958.99 : 186,242.31 = 74,533.71 : x
  2. Step 2: Convert to fraction form
    134,958.99/186,242.31 = 74,533.71/x
  3. Step 3: Cross multiply
    134,958.99x = 186,242.31 × 74,533.71
  4. Step 4: Simplify right side
    134,958.99x = 13,881,330,323.27
  5. Step 5: Solve for x
    x = 13,881,330,323.27/134,958.99
  6. Step 6: Final answer
    x = 102,855.91

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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.