Home / 119,942.51-165,519.56-66,226.35

Finding the Fourth Proportional to 119,942.51, 165,519.56 and 66,226.35

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Solution

The fourth proportional to 119,942.51, 165,519.56 and 66,226.35 is: 91,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,942.51 : 165,519.56 = 66,226.35 : x
  2. Step 2: Convert to fraction form
    119,942.51/165,519.56 = 66,226.35/x
  3. Step 3: Cross multiply
    119,942.51x = 165,519.56 × 66,226.35
  4. Step 4: Simplify right side
    119,942.51x = 10,961,756,312.41
  5. Step 5: Solve for x
    x = 10,961,756,312.41/119,942.51
  6. Step 6: Final answer
    x = 91,391.75

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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.