Home / 126,027.88-173,903.70-72,304.36

Finding the Fourth Proportional to 126,027.88, 173,903.70 and 72,304.36

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Solution

The fourth proportional to 126,027.88, 173,903.70 and 72,304.36 is: 99,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.88 : 173,903.70 = 72,304.36 : x
  2. Step 2: Convert to fraction form
    126,027.88/173,903.70 = 72,304.36/x
  3. Step 3: Cross multiply
    126,027.88x = 173,903.70 × 72,304.36
  4. Step 4: Simplify right side
    126,027.88x = 12,573,995,730.13
  5. Step 5: Solve for x
    x = 12,573,995,730.13/126,027.88
  6. Step 6: Final answer
    x = 99,771.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.