Home / 117,699.61-162,273.01-76,232.83

Finding the Fourth Proportional to 117,699.61, 162,273.01 and 76,232.83

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Solution

The fourth proportional to 117,699.61, 162,273.01 and 76,232.83 is: 105,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.61 : 162,273.01 = 76,232.83 : x
  2. Step 2: Convert to fraction form
    117,699.61/162,273.01 = 76,232.83/x
  3. Step 3: Cross multiply
    117,699.61x = 162,273.01 × 76,232.83
  4. Step 4: Simplify right side
    117,699.61x = 12,370,530,784.92
  5. Step 5: Solve for x
    x = 12,370,530,784.92/117,699.61
  6. Step 6: Final answer
    x = 105,102.56

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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.