Home / 148,001.20-222,001.80-133,716.40

Finding the Fourth Proportional to 148,001.20, 222,001.80 and 133,716.40

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Solution

The fourth proportional to 148,001.20, 222,001.80 and 133,716.40 is: 200,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.20 : 222,001.80 = 133,716.40 : x
  2. Step 2: Convert to fraction form
    148,001.20/222,001.80 = 133,716.40/x
  3. Step 3: Cross multiply
    148,001.20x = 222,001.80 × 133,716.40
  4. Step 4: Simplify right side
    148,001.20x = 29,685,281,489.52
  5. Step 5: Solve for x
    x = 29,685,281,489.52/148,001.20
  6. Step 6: Final answer
    x = 200,574.60

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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.