Home / 156,096.48-215,233.58-115,319.62

Finding the Fourth Proportional to 156,096.48, 215,233.58 and 115,319.62

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Solution

The fourth proportional to 156,096.48, 215,233.58 and 115,319.62 is: 159,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,096.48 : 215,233.58 = 115,319.62 : x
  2. Step 2: Convert to fraction form
    156,096.48/215,233.58 = 115,319.62/x
  3. Step 3: Cross multiply
    156,096.48x = 215,233.58 × 115,319.62
  4. Step 4: Simplify right side
    156,096.48x = 24,820,654,656.84
  5. Step 5: Solve for x
    x = 24,820,654,656.84/156,096.48
  6. Step 6: Final answer
    x = 159,008.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.