Home / 272,528.06-408,809.38-85,546.94

Finding the Fourth Proportional to 272,528.06, 408,809.38 and 85,546.94

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Solution

The fourth proportional to 272,528.06, 408,809.38 and 85,546.94 is: 128,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,528.06 : 408,809.38 = 85,546.94 : x
  2. Step 2: Convert to fraction form
    272,528.06/408,809.38 = 85,546.94/x
  3. Step 3: Cross multiply
    272,528.06x = 408,809.38 × 85,546.94
  4. Step 4: Simplify right side
    272,528.06x = 34,972,391,502.30
  5. Step 5: Solve for x
    x = 34,972,391,502.30/272,528.06
  6. Step 6: Final answer
    x = 128,325.84

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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.