Home / 162,534.66-243,623.97-83,653.20

Finding the Fourth Proportional to 162,534.66, 243,623.97 and 83,653.20

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Solution

The fourth proportional to 162,534.66, 243,623.97 and 83,653.20 is: 125,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,534.66 : 243,623.97 = 83,653.20 : x
  2. Step 2: Convert to fraction form
    162,534.66/243,623.97 = 83,653.20/x
  3. Step 3: Cross multiply
    162,534.66x = 243,623.97 × 83,653.20
  4. Step 4: Simplify right side
    162,534.66x = 20,379,924,687.20
  5. Step 5: Solve for x
    x = 20,379,924,687.20/162,534.66
  6. Step 6: Final answer
    x = 125,388.18

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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.