Home / 340,633.08-470,073.78-197,476.11

Finding the Fourth Proportional to 340,633.08, 470,073.78 and 197,476.11

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Solution

The fourth proportional to 340,633.08, 470,073.78 and 197,476.11 is: 272,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,633.08 : 470,073.78 = 197,476.11 : x
  2. Step 2: Convert to fraction form
    340,633.08/470,073.78 = 197,476.11/x
  3. Step 3: Cross multiply
    340,633.08x = 470,073.78 × 197,476.11
  4. Step 4: Simplify right side
    340,633.08x = 92,828,341,487.40
  5. Step 5: Solve for x
    x = 92,828,341,487.40/340,633.08
  6. Step 6: Final answer
    x = 272,517.11

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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.