Home / 410,631.48-615,947.19-130,148.73

Finding the Fourth Proportional to 410,631.48, 615,947.19 and 130,148.73

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Solution

The fourth proportional to 410,631.48, 615,947.19 and 130,148.73 is: 195,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,631.48 : 615,947.19 = 130,148.73 : x
  2. Step 2: Convert to fraction form
    410,631.48/615,947.19 = 130,148.73/x
  3. Step 3: Cross multiply
    410,631.48x = 615,947.19 × 130,148.73
  4. Step 4: Simplify right side
    410,631.48x = 80,164,744,525.57
  5. Step 5: Solve for x
    x = 80,164,744,525.57/410,631.48
  6. Step 6: Final answer
    x = 195,223.09

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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.