Home / 155,908.20-233,516.70-120,733.80

Finding the Fourth Proportional to 155,908.20, 233,516.70 and 120,733.80

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Solution

The fourth proportional to 155,908.20, 233,516.70 and 120,733.80 is: 180,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,908.20 : 233,516.70 = 120,733.80 : x
  2. Step 2: Convert to fraction form
    155,908.20/233,516.70 = 120,733.80/x
  3. Step 3: Cross multiply
    155,908.20x = 233,516.70 × 120,733.80
  4. Step 4: Simplify right side
    155,908.20x = 28,193,358,554.46
  5. Step 5: Solve for x
    x = 28,193,358,554.46/155,908.20
  6. Step 6: Final answer
    x = 180,833.07

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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.