Home / 378,384.07-567,576.11-129,068.23

Finding the Fourth Proportional to 378,384.07, 567,576.11 and 129,068.23

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Solution

The fourth proportional to 378,384.07, 567,576.11 and 129,068.23 is: 193,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,384.07 : 567,576.11 = 129,068.23 : x
  2. Step 2: Convert to fraction form
    378,384.07/567,576.11 = 129,068.23/x
  3. Step 3: Cross multiply
    378,384.07x = 567,576.11 × 129,068.23
  4. Step 4: Simplify right side
    378,384.07x = 73,256,043,907.99
  5. Step 5: Solve for x
    x = 73,256,043,907.99/378,384.07
  6. Step 6: Final answer
    x = 193,602.35

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1.5x scale

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.