Home / 156,405.66-234,612.33-51,220.38

Finding the Fourth Proportional to 156,405.66, 234,612.33 and 51,220.38

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Solution

The fourth proportional to 156,405.66, 234,612.33 and 51,220.38 is: 76,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,405.66 : 234,612.33 = 51,220.38 : x
  2. Step 2: Convert to fraction form
    156,405.66/234,612.33 = 51,220.38/x
  3. Step 3: Cross multiply
    156,405.66x = 234,612.33 × 51,220.38
  4. Step 4: Simplify right side
    156,405.66x = 12,016,932,695.29
  5. Step 5: Solve for x
    x = 12,016,932,695.29/156,405.66
  6. Step 6: Final answer
    x = 76,831.83

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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.