Home / 189,832.51-262,180.70-147,326.41

Finding the Fourth Proportional to 189,832.51, 262,180.70 and 147,326.41

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Solution

The fourth proportional to 189,832.51, 262,180.70 and 147,326.41 is: 203,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,832.51 : 262,180.70 = 147,326.41 : x
  2. Step 2: Convert to fraction form
    189,832.51/262,180.70 = 147,326.41/x
  3. Step 3: Cross multiply
    189,832.51x = 262,180.70 × 147,326.41
  4. Step 4: Simplify right side
    189,832.51x = 38,626,141,302.29
  5. Step 5: Solve for x
    x = 38,626,141,302.29/189,832.51
  6. Step 6: Final answer
    x = 203,474.85

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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.