Home / 162,622.68-243,926.28-67,813.80

Finding the Fourth Proportional to 162,622.68, 243,926.28 and 67,813.80

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Solution

The fourth proportional to 162,622.68, 243,926.28 and 67,813.80 is: 101,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,622.68 : 243,926.28 = 67,813.80 : x
  2. Step 2: Convert to fraction form
    162,622.68/243,926.28 = 67,813.80/x
  3. Step 3: Cross multiply
    162,622.68x = 243,926.28 × 67,813.80
  4. Step 4: Simplify right side
    162,622.68x = 16,541,567,966.66
  5. Step 5: Solve for x
    x = 16,541,567,966.66/162,622.68
  6. Step 6: Final answer
    x = 101,717.47

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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.