Home / 134,958.24-186,242.64-75,342.24

Finding the Fourth Proportional to 134,958.24, 186,242.64 and 75,342.24

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Solution

The fourth proportional to 134,958.24, 186,242.64 and 75,342.24 is: 103,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,958.24 : 186,242.64 = 75,342.24 : x
  2. Step 2: Convert to fraction form
    134,958.24/186,242.64 = 75,342.24/x
  3. Step 3: Cross multiply
    134,958.24x = 186,242.64 × 75,342.24
  4. Step 4: Simplify right side
    134,958.24x = 14,031,937,681.11
  5. Step 5: Solve for x
    x = 14,031,937,681.11/134,958.24
  6. Step 6: Final answer
    x = 103,972.44

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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.