Home / 410,236.23-615,426.57-140,300.91

Finding the Fourth Proportional to 410,236.23, 615,426.57 and 140,300.91

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Solution

The fourth proportional to 410,236.23, 615,426.57 and 140,300.91 is: 210,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,236.23 : 615,426.57 = 140,300.91 : x
  2. Step 2: Convert to fraction form
    410,236.23/615,426.57 = 140,300.91/x
  3. Step 3: Cross multiply
    410,236.23x = 615,426.57 × 140,300.91
  4. Step 4: Simplify right side
    410,236.23x = 86,344,907,809.18
  5. Step 5: Solve for x
    x = 86,344,907,809.18/410,236.23
  6. Step 6: Final answer
    x = 210,476.07

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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.