Home / 156,902.35-235,353.53-109,663.15

Finding the Fourth Proportional to 156,902.35, 235,353.53 and 109,663.15

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Solution

The fourth proportional to 156,902.35, 235,353.53 and 109,663.15 is: 164,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,902.35 : 235,353.53 = 109,663.15 : x
  2. Step 2: Convert to fraction form
    156,902.35/235,353.53 = 109,663.15/x
  3. Step 3: Cross multiply
    156,902.35x = 235,353.53 × 109,663.15
  4. Step 4: Simplify right side
    156,902.35x = 25,809,609,463.42
  5. Step 5: Solve for x
    x = 25,809,609,463.42/156,902.35
  6. Step 6: Final answer
    x = 164,494.73

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1.5x scale

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.