Home / 119,814.15-165,343.34-65,366.33

Finding the Fourth Proportional to 119,814.15, 165,343.34 and 65,366.33

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Solution

The fourth proportional to 119,814.15, 165,343.34 and 65,366.33 is: 90,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814.15 : 165,343.34 = 65,366.33 : x
  2. Step 2: Convert to fraction form
    119,814.15/165,343.34 = 65,366.33/x
  3. Step 3: Cross multiply
    119,814.15x = 165,343.34 × 65,366.33
  4. Step 4: Simplify right side
    119,814.15x = 10,807,886,662.44
  5. Step 5: Solve for x
    x = 10,807,886,662.44/119,814.15
  6. Step 6: Final answer
    x = 90,205.43

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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.