Home / 132,771.18-183,140.52-79,016.06

Finding the Fourth Proportional to 132,771.18, 183,140.52 and 79,016.06

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Solution

The fourth proportional to 132,771.18, 183,140.52 and 79,016.06 is: 108,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,771.18 : 183,140.52 = 79,016.06 : x
  2. Step 2: Convert to fraction form
    132,771.18/183,140.52 = 79,016.06/x
  3. Step 3: Cross multiply
    132,771.18x = 183,140.52 × 79,016.06
  4. Step 4: Simplify right side
    132,771.18x = 14,471,042,316.75
  5. Step 5: Solve for x
    x = 14,471,042,316.75/132,771.18
  6. Step 6: Final answer
    x = 108,992.35

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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.