Home / 151,623.20-227,580.60-76,827.80

Finding the Fourth Proportional to 151,623.20, 227,580.60 and 76,827.80

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Solution

The fourth proportional to 151,623.20, 227,580.60 and 76,827.80 is: 115,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,623.20 : 227,580.60 = 76,827.80 : x
  2. Step 2: Convert to fraction form
    151,623.20/227,580.60 = 76,827.80/x
  3. Step 3: Cross multiply
    151,623.20x = 227,580.60 × 76,827.80
  4. Step 4: Simplify right side
    151,623.20x = 17,484,516,820.68
  5. Step 5: Solve for x
    x = 17,484,516,820.68/151,623.20
  6. Step 6: Final answer
    x = 115,315.58

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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.