Home / 314,891.10-434,533.77-178,907.22

Finding the Fourth Proportional to 314,891.10, 434,533.77 and 178,907.22

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Solution

The fourth proportional to 314,891.10, 434,533.77 and 178,907.22 is: 246,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,891.10 : 434,533.77 = 178,907.22 : x
  2. Step 2: Convert to fraction form
    314,891.10/434,533.77 = 178,907.22/x
  3. Step 3: Cross multiply
    314,891.10x = 434,533.77 × 178,907.22
  4. Step 4: Simplify right side
    314,891.10x = 77,741,228,786.82
  5. Step 5: Solve for x
    x = 77,741,228,786.82/314,891.10
  6. Step 6: Final answer
    x = 246,882.90

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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.