Home / 378,266.12-567,401.02-112,031.68

Finding the Fourth Proportional to 378,266.12, 567,401.02 and 112,031.68

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Solution

The fourth proportional to 378,266.12, 567,401.02 and 112,031.68 is: 168,048.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,266.12 : 567,401.02 = 112,031.68 : x
  2. Step 2: Convert to fraction form
    378,266.12/567,401.02 = 112,031.68/x
  3. Step 3: Cross multiply
    378,266.12x = 567,401.02 × 112,031.68
  4. Step 4: Simplify right side
    378,266.12x = 63,566,889,504.31
  5. Step 5: Solve for x
    x = 63,566,889,504.31/378,266.12
  6. Step 6: Final answer
    x = 168,048.06

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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.