Home / 126,011.88-173,921.58-72,333.18

Finding the Fourth Proportional to 126,011.88, 173,921.58 and 72,333.18

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Solution

The fourth proportional to 126,011.88, 173,921.58 and 72,333.18 is: 99,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,011.88 : 173,921.58 = 72,333.18 : x
  2. Step 2: Convert to fraction form
    126,011.88/173,921.58 = 72,333.18/x
  3. Step 3: Cross multiply
    126,011.88x = 173,921.58 × 72,333.18
  4. Step 4: Simplify right side
    126,011.88x = 12,580,300,952.02
  5. Step 5: Solve for x
    x = 12,580,300,952.02/126,011.88
  6. Step 6: Final answer
    x = 99,834.25

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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.