Home / 132,705.12-199,085.76-43,953.60

Finding the Fourth Proportional to 132,705.12, 199,085.76 and 43,953.60

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Solution

The fourth proportional to 132,705.12, 199,085.76 and 43,953.60 is: 65,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,705.12 : 199,085.76 = 43,953.60 : x
  2. Step 2: Convert to fraction form
    132,705.12/199,085.76 = 43,953.60/x
  3. Step 3: Cross multiply
    132,705.12x = 199,085.76 × 43,953.60
  4. Step 4: Simplify right side
    132,705.12x = 8,750,535,860.74
  5. Step 5: Solve for x
    x = 8,750,535,860.74/132,705.12
  6. Step 6: Final answer
    x = 65,939.70

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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.