Home / 380,024.10-570,122.55-222,171.30

Finding the Fourth Proportional to 380,024.10, 570,122.55 and 222,171.30

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Solution

The fourth proportional to 380,024.10, 570,122.55 and 222,171.30 is: 333,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,024.10 : 570,122.55 = 222,171.30 : x
  2. Step 2: Convert to fraction form
    380,024.10/570,122.55 = 222,171.30/x
  3. Step 3: Cross multiply
    380,024.10x = 570,122.55 × 222,171.30
  4. Step 4: Simplify right side
    380,024.10x = 126,664,868,092.82
  5. Step 5: Solve for x
    x = 126,664,868,092.82/380,024.10
  6. Step 6: Final answer
    x = 333,307.46

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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.