Home / 126,435.16-189,587.40-46,452.70

Finding the Fourth Proportional to 126,435.16, 189,587.40 and 46,452.70

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Solution

The fourth proportional to 126,435.16, 189,587.40 and 46,452.70 is: 69,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,435.16 : 189,587.40 = 46,452.70 : x
  2. Step 2: Convert to fraction form
    126,435.16/189,587.40 = 46,452.70/x
  3. Step 3: Cross multiply
    126,435.16x = 189,587.40 × 46,452.70
  4. Step 4: Simplify right side
    126,435.16x = 8,806,846,615.98
  5. Step 5: Solve for x
    x = 8,806,846,615.98/126,435.16
  6. Step 6: Final answer
    x = 69,655.04

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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.