Home / 126,142.64-189,250.50-37,397.84

Finding the Fourth Proportional to 126,142.64, 189,250.50 and 37,397.84

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Solution

The fourth proportional to 126,142.64, 189,250.50 and 37,397.84 is: 56,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142.64 : 189,250.50 = 37,397.84 : x
  2. Step 2: Convert to fraction form
    126,142.64/189,250.50 = 37,397.84/x
  3. Step 3: Cross multiply
    126,142.64x = 189,250.50 × 37,397.84
  4. Step 4: Simplify right side
    126,142.64x = 7,077,559,918.92
  5. Step 5: Solve for x
    x = 7,077,559,918.92/126,142.64
  6. Step 6: Final answer
    x = 56,107.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.