Home / 410,022.20-615,033.30-188,838.20

Finding the Fourth Proportional to 410,022.20, 615,033.30 and 188,838.20

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Solution

The fourth proportional to 410,022.20, 615,033.30 and 188,838.20 is: 283,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,022.20 : 615,033.30 = 188,838.20 : x
  2. Step 2: Convert to fraction form
    410,022.20/615,033.30 = 188,838.20/x
  3. Step 3: Cross multiply
    410,022.20x = 615,033.30 × 188,838.20
  4. Step 4: Simplify right side
    410,022.20x = 116,141,781,312.06
  5. Step 5: Solve for x
    x = 116,141,781,312.06/410,022.20
  6. Step 6: Final answer
    x = 283,257.30

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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.