Home / 162,254.54-243,381.99-42,311.38

Finding the Fourth Proportional to 162,254.54, 243,381.99 and 42,311.38

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Solution

The fourth proportional to 162,254.54, 243,381.99 and 42,311.38 is: 63,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,254.54 : 243,381.99 = 42,311.38 : x
  2. Step 2: Convert to fraction form
    162,254.54/243,381.99 = 42,311.38/x
  3. Step 3: Cross multiply
    162,254.54x = 243,381.99 × 42,311.38
  4. Step 4: Simplify right side
    162,254.54x = 10,297,827,864.05
  5. Step 5: Solve for x
    x = 10,297,827,864.05/162,254.54
  6. Step 6: Final answer
    x = 63,467.12

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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.