Home / 224,592.12-309,937.62-122,617.60

Finding the Fourth Proportional to 224,592.12, 309,937.62 and 122,617.60

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Solution

The fourth proportional to 224,592.12, 309,937.62 and 122,617.60 is: 169,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,592.12 : 309,937.62 = 122,617.60 : x
  2. Step 2: Convert to fraction form
    224,592.12/309,937.62 = 122,617.60/x
  3. Step 3: Cross multiply
    224,592.12x = 309,937.62 × 122,617.60
  4. Step 4: Simplify right side
    224,592.12x = 38,003,807,114.11
  5. Step 5: Solve for x
    x = 38,003,807,114.11/224,592.12
  6. Step 6: Final answer
    x = 169,212.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.