Home / 148,545.40-222,515.70-92,212.60

Finding the Fourth Proportional to 148,545.40, 222,515.70 and 92,212.60

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Solution

The fourth proportional to 148,545.40, 222,515.70 and 92,212.60 is: 138,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,545.40 : 222,515.70 = 92,212.60 : x
  2. Step 2: Convert to fraction form
    148,545.40/222,515.70 = 92,212.60/x
  3. Step 3: Cross multiply
    148,545.40x = 222,515.70 × 92,212.60
  4. Step 4: Simplify right side
    148,545.40x = 20,518,751,237.82
  5. Step 5: Solve for x
    x = 20,518,751,237.82/148,545.40
  6. Step 6: Final answer
    x = 138,131.18

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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.