Home / 340,228.86-469,534.23-189,329.10

Finding the Fourth Proportional to 340,228.86, 469,534.23 and 189,329.10

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Solution

The fourth proportional to 340,228.86, 469,534.23 and 189,329.10 is: 261,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,228.86 : 469,534.23 = 189,329.10 : x
  2. Step 2: Convert to fraction form
    340,228.86/469,534.23 = 189,329.10/x
  3. Step 3: Cross multiply
    340,228.86x = 469,534.23 × 189,329.10
  4. Step 4: Simplify right side
    340,228.86x = 88,896,493,185.09
  5. Step 5: Solve for x
    x = 88,896,493,185.09/340,228.86
  6. Step 6: Final answer
    x = 261,284.40

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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.