Home / 126,480.08-189,733.08-56,353.52

Finding the Fourth Proportional to 126,480.08, 189,733.08 and 56,353.52

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Solution

The fourth proportional to 126,480.08, 189,733.08 and 56,353.52 is: 84,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480.08 : 189,733.08 = 56,353.52 : x
  2. Step 2: Convert to fraction form
    126,480.08/189,733.08 = 56,353.52/x
  3. Step 3: Cross multiply
    126,480.08x = 189,733.08 × 56,353.52
  4. Step 4: Simplify right side
    126,480.08x = 10,692,126,918.44
  5. Step 5: Solve for x
    x = 10,692,126,918.44/126,480.08
  6. Step 6: Final answer
    x = 84,536.05

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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.