Home / 126,053.56-173,960.76-72,338.14

Finding the Fourth Proportional to 126,053.56, 173,960.76 and 72,338.14

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Solution

The fourth proportional to 126,053.56, 173,960.76 and 72,338.14 is: 99,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,053.56 : 173,960.76 = 72,338.14 : x
  2. Step 2: Convert to fraction form
    126,053.56/173,960.76 = 72,338.14/x
  3. Step 3: Cross multiply
    126,053.56x = 173,960.76 × 72,338.14
  4. Step 4: Simplify right side
    126,053.56x = 12,583,997,811.39
  5. Step 5: Solve for x
    x = 12,583,997,811.39/126,053.56
  6. Step 6: Final answer
    x = 99,830.56

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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.