Home / 182,000.30-273,000.45-128,856.20

Finding the Fourth Proportional to 182,000.30, 273,000.45 and 128,856.20

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Solution

The fourth proportional to 182,000.30, 273,000.45 and 128,856.20 is: 193,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,000.30 : 273,000.45 = 128,856.20 : x
  2. Step 2: Convert to fraction form
    182,000.30/273,000.45 = 128,856.20/x
  3. Step 3: Cross multiply
    182,000.30x = 273,000.45 × 128,856.20
  4. Step 4: Simplify right side
    182,000.30x = 35,177,800,585.29
  5. Step 5: Solve for x
    x = 35,177,800,585.29/182,000.30
  6. Step 6: Final answer
    x = 193,284.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.