Home / 220,222.52-303,928.39-123,442.79

Finding the Fourth Proportional to 220,222.52, 303,928.39 and 123,442.79

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Solution

The fourth proportional to 220,222.52, 303,928.39 and 123,442.79 is: 170,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,222.52 : 303,928.39 = 123,442.79 : x
  2. Step 2: Convert to fraction form
    220,222.52/303,928.39 = 123,442.79/x
  3. Step 3: Cross multiply
    220,222.52x = 303,928.39 × 123,442.79
  4. Step 4: Simplify right side
    220,222.52x = 37,517,768,421.81
  5. Step 5: Solve for x
    x = 37,517,768,421.81/220,222.52
  6. Step 6: Final answer
    x = 170,363.00

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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.