Home / 119,645.35-165,114.11-65,933.81

Finding the Fourth Proportional to 119,645.35, 165,114.11 and 65,933.81

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Solution

The fourth proportional to 119,645.35, 165,114.11 and 65,933.81 is: 90,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,645.35 : 165,114.11 = 65,933.81 : x
  2. Step 2: Convert to fraction form
    119,645.35/165,114.11 = 65,933.81/x
  3. Step 3: Cross multiply
    119,645.35x = 165,114.11 × 65,933.81
  4. Step 4: Simplify right side
    119,645.35x = 10,886,602,315.50
  5. Step 5: Solve for x
    x = 10,886,602,315.50/119,645.35
  6. Step 6: Final answer
    x = 90,990.60

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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.