Home / 126,288.52-189,464.10-37,541.86

Finding the Fourth Proportional to 126,288.52, 189,464.10 and 37,541.86

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Solution

The fourth proportional to 126,288.52, 189,464.10 and 37,541.86 is: 56,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.52 : 189,464.10 = 37,541.86 : x
  2. Step 2: Convert to fraction form
    126,288.52/189,464.10 = 37,541.86/x
  3. Step 3: Cross multiply
    126,288.52x = 189,464.10 × 37,541.86
  4. Step 4: Simplify right side
    126,288.52x = 7,112,834,717.23
  5. Step 5: Solve for x
    x = 7,112,834,717.23/126,288.52
  6. Step 6: Final answer
    x = 56,322.10

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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.