Home / 134,529.94-185,659.75-74,100.57

Finding the Fourth Proportional to 134,529.94, 185,659.75 and 74,100.57

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Solution

The fourth proportional to 134,529.94, 185,659.75 and 74,100.57 is: 102,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529.94 : 185,659.75 = 74,100.57 : x
  2. Step 2: Convert to fraction form
    134,529.94/185,659.75 = 74,100.57/x
  3. Step 3: Cross multiply
    134,529.94x = 185,659.75 × 74,100.57
  4. Step 4: Simplify right side
    134,529.94x = 13,757,492,372.76
  5. Step 5: Solve for x
    x = 13,757,492,372.76/134,529.94
  6. Step 6: Final answer
    x = 102,263.42

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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.