Home / 126,113.26-189,197.57-37,373.72

Finding the Fourth Proportional to 126,113.26, 189,197.57 and 37,373.72

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Solution

The fourth proportional to 126,113.26, 189,197.57 and 37,373.72 is: 56,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.26 : 189,197.57 = 37,373.72 : x
  2. Step 2: Convert to fraction form
    126,113.26/189,197.57 = 37,373.72/x
  3. Step 3: Cross multiply
    126,113.26x = 189,197.57 × 37,373.72
  4. Step 4: Simplify right side
    126,113.26x = 7,071,017,005.86
  5. Step 5: Solve for x
    x = 7,071,017,005.86/126,113.26
  6. Step 6: Final answer
    x = 56,068.78

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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.