Home / 162,340.52-242,321.94-143,166.11

Finding the Fourth Proportional to 162,340.52, 242,321.94 and 143,166.11

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Solution

The fourth proportional to 162,340.52, 242,321.94 and 143,166.11 is: 213,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,340.52 : 242,321.94 = 143,166.11 : x
  2. Step 2: Convert to fraction form
    162,340.52/242,321.94 = 143,166.11/x
  3. Step 3: Cross multiply
    162,340.52x = 242,321.94 × 143,166.11
  4. Step 4: Simplify right side
    162,340.52x = 34,692,289,188.70
  5. Step 5: Solve for x
    x = 34,692,289,188.70/162,340.52
  6. Step 6: Final answer
    x = 213,700.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.