Home / 370,163.20-510,824.58-200,397.28

Finding the Fourth Proportional to 370,163.20, 510,824.58 and 200,397.28

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Solution

The fourth proportional to 370,163.20, 510,824.58 and 200,397.28 is: 276,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,163.20 : 510,824.58 = 200,397.28 : x
  2. Step 2: Convert to fraction form
    370,163.20/510,824.58 = 200,397.28/x
  3. Step 3: Cross multiply
    370,163.20x = 510,824.58 × 200,397.28
  4. Step 4: Simplify right side
    370,163.20x = 102,367,856,389.14
  5. Step 5: Solve for x
    x = 102,367,856,389.14/370,163.20
  6. Step 6: Final answer
    x = 276,547.90

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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.