Home / 162,213.32-243,326.68-55,670.50

Finding the Fourth Proportional to 162,213.32, 243,326.68 and 55,670.50

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Solution

The fourth proportional to 162,213.32, 243,326.68 and 55,670.50 is: 83,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,213.32 : 243,326.68 = 55,670.50 : x
  2. Step 2: Convert to fraction form
    162,213.32/243,326.68 = 55,670.50/x
  3. Step 3: Cross multiply
    162,213.32x = 243,326.68 × 55,670.50
  4. Step 4: Simplify right side
    162,213.32x = 13,546,117,938.94
  5. Step 5: Solve for x
    x = 13,546,117,938.94/162,213.32
  6. Step 6: Final answer
    x = 83,508.05

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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.