Home / 137,322.32-189,401.64-92,051.36

Finding the Fourth Proportional to 137,322.32, 189,401.64 and 92,051.36

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Solution

The fourth proportional to 137,322.32, 189,401.64 and 92,051.36 is: 126,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,322.32 : 189,401.64 = 92,051.36 : x
  2. Step 2: Convert to fraction form
    137,322.32/189,401.64 = 92,051.36/x
  3. Step 3: Cross multiply
    137,322.32x = 189,401.64 × 92,051.36
  4. Step 4: Simplify right side
    137,322.32x = 17,434,678,548.23
  5. Step 5: Solve for x
    x = 17,434,678,548.23/137,322.32
  6. Step 6: Final answer
    x = 126,961.72

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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.