Home / 148,051.80-222,077.70-100,812.60

Finding the Fourth Proportional to 148,051.80, 222,077.70 and 100,812.60

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Solution

The fourth proportional to 148,051.80, 222,077.70 and 100,812.60 is: 151,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,051.80 : 222,077.70 = 100,812.60 : x
  2. Step 2: Convert to fraction form
    148,051.80/222,077.70 = 100,812.60/x
  3. Step 3: Cross multiply
    148,051.80x = 222,077.70 × 100,812.60
  4. Step 4: Simplify right side
    148,051.80x = 22,388,230,339.02
  5. Step 5: Solve for x
    x = 22,388,230,339.02/148,051.80
  6. Step 6: Final answer
    x = 151,218.90

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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.