Home / 556,742.90-835,107.06-136,022.42

Finding the Fourth Proportional to 556,742.90, 835,107.06 and 136,022.42

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Solution

The fourth proportional to 556,742.90, 835,107.06 and 136,022.42 is: 204,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,742.90 : 835,107.06 = 136,022.42 : x
  2. Step 2: Convert to fraction form
    556,742.90/835,107.06 = 136,022.42/x
  3. Step 3: Cross multiply
    556,742.90x = 835,107.06 × 136,022.42
  4. Step 4: Simplify right side
    556,742.90x = 113,593,279,084.75
  5. Step 5: Solve for x
    x = 113,593,279,084.75/556,742.90
  6. Step 6: Final answer
    x = 204,031.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.