Home / 126,433.16-189,649.60-37,684.36

Finding the Fourth Proportional to 126,433.16, 189,649.60 and 37,684.36

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Solution

The fourth proportional to 126,433.16, 189,649.60 and 37,684.36 is: 56,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,433.16 : 189,649.60 = 37,684.36 : x
  2. Step 2: Convert to fraction form
    126,433.16/189,649.60 = 37,684.36/x
  3. Step 3: Cross multiply
    126,433.16x = 189,649.60 × 37,684.36
  4. Step 4: Simplify right side
    126,433.16x = 7,146,823,800.26
  5. Step 5: Solve for x
    x = 7,146,823,800.26/126,433.16
  6. Step 6: Final answer
    x = 56,526.50

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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.