Home / 189,280.54-261,197.92-112,797.89

Finding the Fourth Proportional to 189,280.54, 261,197.92 and 112,797.89

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Solution

The fourth proportional to 189,280.54, 261,197.92 and 112,797.89 is: 155,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280.54 : 261,197.92 = 112,797.89 : x
  2. Step 2: Convert to fraction form
    189,280.54/261,197.92 = 112,797.89/x
  3. Step 3: Cross multiply
    189,280.54x = 261,197.92 × 112,797.89
  4. Step 4: Simplify right side
    189,280.54x = 29,462,572,660.40
  5. Step 5: Solve for x
    x = 29,462,572,660.40/189,280.54
  6. Step 6: Final answer
    x = 155,655.58

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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.