Home / 148,090.80-222,136.20-100,851.60

Finding the Fourth Proportional to 148,090.80, 222,136.20 and 100,851.60

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Solution

The fourth proportional to 148,090.80, 222,136.20 and 100,851.60 is: 151,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,090.80 : 222,136.20 = 100,851.60 : x
  2. Step 2: Convert to fraction form
    148,090.80/222,136.20 = 100,851.60/x
  3. Step 3: Cross multiply
    148,090.80x = 222,136.20 × 100,851.60
  4. Step 4: Simplify right side
    148,090.80x = 22,402,791,187.92
  5. Step 5: Solve for x
    x = 22,402,791,187.92/148,090.80
  6. Step 6: Final answer
    x = 151,277.40

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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.