Home / 134,729.10-185,932.38-74,300.46

Finding the Fourth Proportional to 134,729.10, 185,932.38 and 74,300.46

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Solution

The fourth proportional to 134,729.10, 185,932.38 and 74,300.46 is: 102,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,729.10 : 185,932.38 = 74,300.46 : x
  2. Step 2: Convert to fraction form
    134,729.10/185,932.38 = 74,300.46/x
  3. Step 3: Cross multiply
    134,729.10x = 185,932.38 × 74,300.46
  4. Step 4: Simplify right side
    134,729.10x = 13,814,861,362.89
  5. Step 5: Solve for x
    x = 13,814,861,362.89/134,729.10
  6. Step 6: Final answer
    x = 102,538.07

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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.