Home / 340,816.82-470,329.08-197,661.74

Finding the Fourth Proportional to 340,816.82, 470,329.08 and 197,661.74

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Solution

The fourth proportional to 340,816.82, 470,329.08 and 197,661.74 is: 272,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,816.82 : 470,329.08 = 197,661.74 : x
  2. Step 2: Convert to fraction form
    340,816.82/470,329.08 = 197,661.74/x
  3. Step 3: Cross multiply
    340,816.82x = 470,329.08 × 197,661.74
  4. Step 4: Simplify right side
    340,816.82x = 92,966,064,325.40
  5. Step 5: Solve for x
    x = 92,966,064,325.40/340,816.82
  6. Step 6: Final answer
    x = 272,774.28

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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.