Home / 189,225.54-261,194.52-112,768.62

Finding the Fourth Proportional to 189,225.54, 261,194.52 and 112,768.62

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Solution

The fourth proportional to 189,225.54, 261,194.52 and 112,768.62 is: 155,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,225.54 : 261,194.52 = 112,768.62 : x
  2. Step 2: Convert to fraction form
    189,225.54/261,194.52 = 112,768.62/x
  3. Step 3: Cross multiply
    189,225.54x = 261,194.52 × 112,768.62
  4. Step 4: Simplify right side
    189,225.54x = 29,454,545,571.96
  5. Step 5: Solve for x
    x = 29,454,545,571.96/189,225.54
  6. Step 6: Final answer
    x = 155,658.40

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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.