Home / 272,856.06-409,563.39-225,319.70

Finding the Fourth Proportional to 272,856.06, 409,563.39 and 225,319.70

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Solution

The fourth proportional to 272,856.06, 409,563.39 and 225,319.70 is: 338,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,856.06 : 409,563.39 = 225,319.70 : x
  2. Step 2: Convert to fraction form
    272,856.06/409,563.39 = 225,319.70/x
  3. Step 3: Cross multiply
    272,856.06x = 409,563.39 × 225,319.70
  4. Step 4: Simplify right side
    272,856.06x = 92,282,698,117.97
  5. Step 5: Solve for x
    x = 92,282,698,117.97/272,856.06
  6. Step 6: Final answer
    x = 338,210.18

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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.