Home / 220,545.48-330,861.29-70,774.25

Finding the Fourth Proportional to 220,545.48, 330,861.29 and 70,774.25

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Solution

The fourth proportional to 220,545.48, 330,861.29 and 70,774.25 is: 106,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,545.48 : 330,861.29 = 70,774.25 : x
  2. Step 2: Convert to fraction form
    220,545.48/330,861.29 = 70,774.25/x
  3. Step 3: Cross multiply
    220,545.48x = 330,861.29 × 70,774.25
  4. Step 4: Simplify right side
    220,545.48x = 23,416,458,974.26
  5. Step 5: Solve for x
    x = 23,416,458,974.26/220,545.48
  6. Step 6: Final answer
    x = 106,175.20

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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.