Home / 389,515.10-583,826.13-178,710.17

Finding the Fourth Proportional to 389,515.10, 583,826.13 and 178,710.17

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Solution

The fourth proportional to 389,515.10, 583,826.13 and 178,710.17 is: 267,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,515.10 : 583,826.13 = 178,710.17 : x
  2. Step 2: Convert to fraction form
    389,515.10/583,826.13 = 178,710.17/x
  3. Step 3: Cross multiply
    389,515.10x = 583,826.13 × 178,710.17
  4. Step 4: Simplify right side
    389,515.10x = 104,335,664,023.61
  5. Step 5: Solve for x
    x = 104,335,664,023.61/389,515.10
  6. Step 6: Final answer
    x = 267,860.39

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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.