Home / 156,006.20-233,663.70-120,831.80

Finding the Fourth Proportional to 156,006.20, 233,663.70 and 120,831.80

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Solution

The fourth proportional to 156,006.20, 233,663.70 and 120,831.80 is: 180,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,006.20 : 233,663.70 = 120,831.80 : x
  2. Step 2: Convert to fraction form
    156,006.20/233,663.70 = 120,831.80/x
  3. Step 3: Cross multiply
    156,006.20x = 233,663.70 × 120,831.80
  4. Step 4: Simplify right side
    156,006.20x = 28,234,005,465.66
  5. Step 5: Solve for x
    x = 28,234,005,465.66/156,006.20
  6. Step 6: Final answer
    x = 180,980.02

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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.