Home / 294,712.40-442,137.72-117,229.52

Finding the Fourth Proportional to 294,712.40, 442,137.72 and 117,229.52

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Solution

The fourth proportional to 294,712.40, 442,137.72 and 117,229.52 is: 175,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,712.40 : 442,137.72 = 117,229.52 : x
  2. Step 2: Convert to fraction form
    294,712.40/442,137.72 = 117,229.52/x
  3. Step 3: Cross multiply
    294,712.40x = 442,137.72 × 117,229.52
  4. Step 4: Simplify right side
    294,712.40x = 51,831,592,689.49
  5. Step 5: Solve for x
    x = 51,831,592,689.49/294,712.40
  6. Step 6: Final answer
    x = 175,871.77

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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.