Home / 220,235.56-303,925.67-124,742.23

Finding the Fourth Proportional to 220,235.56, 303,925.67 and 124,742.23

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Solution

The fourth proportional to 220,235.56, 303,925.67 and 124,742.23 is: 172,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,235.56 : 303,925.67 = 124,742.23 : x
  2. Step 2: Convert to fraction form
    220,235.56/303,925.67 = 124,742.23/x
  3. Step 3: Cross multiply
    220,235.56x = 303,925.67 × 124,742.23
  4. Step 4: Simplify right side
    220,235.56x = 37,912,364,914.30
  5. Step 5: Solve for x
    x = 37,912,364,914.30/220,235.56
  6. Step 6: Final answer
    x = 172,144.61

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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.