Home / 119,933.67-165,505.78-65,484.06

Finding the Fourth Proportional to 119,933.67, 165,505.78 and 65,484.06

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Solution

The fourth proportional to 119,933.67, 165,505.78 and 65,484.06 is: 90,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,933.67 : 165,505.78 = 65,484.06 : x
  2. Step 2: Convert to fraction form
    119,933.67/165,505.78 = 65,484.06/x
  3. Step 3: Cross multiply
    119,933.67x = 165,505.78 × 65,484.06
  4. Step 4: Simplify right side
    119,933.67x = 10,837,990,427.87
  5. Step 5: Solve for x
    x = 10,837,990,427.87/119,933.67
  6. Step 6: Final answer
    x = 90,366.54

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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.