Home / 126,127.35-189,190.17-37,381.32

Finding the Fourth Proportional to 126,127.35, 189,190.17 and 37,381.32

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Solution

The fourth proportional to 126,127.35, 189,190.17 and 37,381.32 is: 56,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,127.35 : 189,190.17 = 37,381.32 : x
  2. Step 2: Convert to fraction form
    126,127.35/189,190.17 = 37,381.32/x
  3. Step 3: Cross multiply
    126,127.35x = 189,190.17 × 37,381.32
  4. Step 4: Simplify right side
    126,127.35x = 7,072,178,285.62
  5. Step 5: Solve for x
    x = 7,072,178,285.62/126,127.35
  6. Step 6: Final answer
    x = 56,071.73

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1.5x scale

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.