Home / 224,478.64-309,782.34-122,504.92

Finding the Fourth Proportional to 224,478.64, 309,782.34 and 122,504.92

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Solution

The fourth proportional to 224,478.64, 309,782.34 and 122,504.92 is: 169,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,478.64 : 309,782.34 = 122,504.92 : x
  2. Step 2: Convert to fraction form
    224,478.64/309,782.34 = 122,504.92/x
  3. Step 3: Cross multiply
    224,478.64x = 309,782.34 × 122,504.92
  4. Step 4: Simplify right side
    224,478.64x = 37,949,860,779.11
  5. Step 5: Solve for x
    x = 37,949,860,779.11/224,478.64
  6. Step 6: Final answer
    x = 169,057.78

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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.