Home / 340,448.58-469,901.80-197,185.50

Finding the Fourth Proportional to 340,448.58, 469,901.80 and 197,185.50

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Solution

The fourth proportional to 340,448.58, 469,901.80 and 197,185.50 is: 272,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,448.58 : 469,901.80 = 197,185.50 : x
  2. Step 2: Convert to fraction form
    340,448.58/469,901.80 = 197,185.50/x
  3. Step 3: Cross multiply
    340,448.58x = 469,901.80 × 197,185.50
  4. Step 4: Simplify right side
    340,448.58x = 92,657,821,383.90
  5. Step 5: Solve for x
    x = 92,657,821,383.90/340,448.58
  6. Step 6: Final answer
    x = 272,163.92

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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.