Home / 117,734.66-162,534.04-90,816.74

Finding the Fourth Proportional to 117,734.66, 162,534.04 and 90,816.74

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Solution

The fourth proportional to 117,734.66, 162,534.04 and 90,816.74 is: 125,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,734.66 : 162,534.04 = 90,816.74 : x
  2. Step 2: Convert to fraction form
    117,734.66/162,534.04 = 90,816.74/x
  3. Step 3: Cross multiply
    117,734.66x = 162,534.04 × 90,816.74
  4. Step 4: Simplify right side
    117,734.66x = 14,760,811,651.83
  5. Step 5: Solve for x
    x = 14,760,811,651.83/117,734.66
  6. Step 6: Final answer
    x = 125,373.54

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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.