Home / 156,832.96-216,405.12-93,169.12

Finding the Fourth Proportional to 156,832.96, 216,405.12 and 93,169.12

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Solution

The fourth proportional to 156,832.96, 216,405.12 and 93,169.12 is: 128,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,832.96 : 216,405.12 = 93,169.12 : x
  2. Step 2: Convert to fraction form
    156,832.96/216,405.12 = 93,169.12/x
  3. Step 3: Cross multiply
    156,832.96x = 216,405.12 × 93,169.12
  4. Step 4: Simplify right side
    156,832.96x = 20,162,274,593.89
  5. Step 5: Solve for x
    x = 20,162,274,593.89/156,832.96
  6. Step 6: Final answer
    x = 128,558.91

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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.