Home / 162,234.18-243,364.05-57,076.74

Finding the Fourth Proportional to 162,234.18, 243,364.05 and 57,076.74

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Solution

The fourth proportional to 162,234.18, 243,364.05 and 57,076.74 is: 85,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,234.18 : 243,364.05 = 57,076.74 : x
  2. Step 2: Convert to fraction form
    162,234.18/243,364.05 = 57,076.74/x
  3. Step 3: Cross multiply
    162,234.18x = 243,364.05 × 57,076.74
  4. Step 4: Simplify right side
    162,234.18x = 13,890,426,607.20
  5. Step 5: Solve for x
    x = 13,890,426,607.20/162,234.18
  6. Step 6: Final answer
    x = 85,619.61

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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.