Home / 345,584.64-518,299.18-123,968.64

Finding the Fourth Proportional to 345,584.64, 518,299.18 and 123,968.64

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Solution

The fourth proportional to 345,584.64, 518,299.18 and 123,968.64 is: 185,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,584.64 : 518,299.18 = 123,968.64 : x
  2. Step 2: Convert to fraction form
    345,584.64/518,299.18 = 123,968.64/x
  3. Step 3: Cross multiply
    345,584.64x = 518,299.18 × 123,968.64
  4. Step 4: Simplify right side
    345,584.64x = 64,252,844,457.72
  5. Step 5: Solve for x
    x = 64,252,844,457.72/345,584.64
  6. Step 6: Final answer
    x = 185,925.06

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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.