Home / 162,056.28-243,110.40-68,562.84

Finding the Fourth Proportional to 162,056.28, 243,110.40 and 68,562.84

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Solution

The fourth proportional to 162,056.28, 243,110.40 and 68,562.84 is: 102,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,056.28 : 243,110.40 = 68,562.84 : x
  2. Step 2: Convert to fraction form
    162,056.28/243,110.40 = 68,562.84/x
  3. Step 3: Cross multiply
    162,056.28x = 243,110.40 × 68,562.84
  4. Step 4: Simplify right side
    162,056.28x = 16,668,339,457.54
  5. Step 5: Solve for x
    x = 16,668,339,457.54/162,056.28
  6. Step 6: Final answer
    x = 102,855.25

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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.