Home / 119,917.14-165,499.65-99,738.42

Finding the Fourth Proportional to 119,917.14, 165,499.65 and 99,738.42

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Solution

The fourth proportional to 119,917.14, 165,499.65 and 99,738.42 is: 137,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,917.14 : 165,499.65 = 99,738.42 : x
  2. Step 2: Convert to fraction form
    119,917.14/165,499.65 = 99,738.42/x
  3. Step 3: Cross multiply
    119,917.14x = 165,499.65 × 99,738.42
  4. Step 4: Simplify right side
    119,917.14x = 16,506,673,601.55
  5. Step 5: Solve for x
    x = 16,506,673,601.55/119,917.14
  6. Step 6: Final answer
    x = 137,650.66

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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.