Home / 162,581.40-243,872.10-133,032.60

Finding the Fourth Proportional to 162,581.40, 243,872.10 and 133,032.60

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Solution

The fourth proportional to 162,581.40, 243,872.10 and 133,032.60 is: 199,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,581.40 : 243,872.10 = 133,032.60 : x
  2. Step 2: Convert to fraction form
    162,581.40/243,872.10 = 133,032.60/x
  3. Step 3: Cross multiply
    162,581.40x = 243,872.10 × 133,032.60
  4. Step 4: Simplify right side
    162,581.40x = 32,442,939,530.46
  5. Step 5: Solve for x
    x = 32,442,939,530.46/162,581.40
  6. Step 6: Final answer
    x = 199,548.90

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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.