Home / 384,135.12-576,224.28-103,674.24

Finding the Fourth Proportional to 384,135.12, 576,224.28 and 103,674.24

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Solution

The fourth proportional to 384,135.12, 576,224.28 and 103,674.24 is: 155,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,135.12 : 576,224.28 = 103,674.24 : x
  2. Step 2: Convert to fraction form
    384,135.12/576,224.28 = 103,674.24/x
  3. Step 3: Cross multiply
    384,135.12x = 576,224.28 × 103,674.24
  4. Step 4: Simplify right side
    384,135.12x = 59,739,614,298.55
  5. Step 5: Solve for x
    x = 59,739,614,298.55/384,135.12
  6. Step 6: Final answer
    x = 155,517.19

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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.