Home / 126,152.56-189,264.48-37,405.84

Finding the Fourth Proportional to 126,152.56, 189,264.48 and 37,405.84

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Solution

The fourth proportional to 126,152.56, 189,264.48 and 37,405.84 is: 56,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,152.56 : 189,264.48 = 37,405.84 : x
  2. Step 2: Convert to fraction form
    126,152.56/189,264.48 = 37,405.84/x
  3. Step 3: Cross multiply
    126,152.56x = 189,264.48 × 37,405.84
  4. Step 4: Simplify right side
    126,152.56x = 7,079,596,856.56
  5. Step 5: Solve for x
    x = 7,079,596,856.56/126,152.56
  6. Step 6: Final answer
    x = 56,119.33

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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.