Home / 189,170.87-261,009.38-124,632.95

Finding the Fourth Proportional to 189,170.87, 261,009.38 and 124,632.95

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Solution

The fourth proportional to 189,170.87, 261,009.38 and 124,632.95 is: 171,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,170.87 : 261,009.38 = 124,632.95 : x
  2. Step 2: Convert to fraction form
    189,170.87/261,009.38 = 124,632.95/x
  3. Step 3: Cross multiply
    189,170.87x = 261,009.38 × 124,632.95
  4. Step 4: Simplify right side
    189,170.87x = 32,530,368,013.61
  5. Step 5: Solve for x
    x = 32,530,368,013.61/189,170.87
  6. Step 6: Final answer
    x = 171,962.89

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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.