Home / 410,588.23-615,899.30-140,901.73

Finding the Fourth Proportional to 410,588.23, 615,899.30 and 140,901.73

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Solution

The fourth proportional to 410,588.23, 615,899.30 and 140,901.73 is: 211,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,588.23 : 615,899.30 = 140,901.73 : x
  2. Step 2: Convert to fraction form
    410,588.23/615,899.30 = 140,901.73/x
  3. Step 3: Cross multiply
    410,588.23x = 615,899.30 × 140,901.73
  4. Step 4: Simplify right side
    410,588.23x = 86,781,276,875.79
  5. Step 5: Solve for x
    x = 86,781,276,875.79/410,588.23
  6. Step 6: Final answer
    x = 211,358.41

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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.