Home / 212,810.49-293,680.44-117,320.60

Finding the Fourth Proportional to 212,810.49, 293,680.44 and 117,320.60

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Solution

The fourth proportional to 212,810.49, 293,680.44 and 117,320.60 is: 161,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810.49 : 293,680.44 = 117,320.60 : x
  2. Step 2: Convert to fraction form
    212,810.49/293,680.44 = 117,320.60/x
  3. Step 3: Cross multiply
    212,810.49x = 293,680.44 × 117,320.60
  4. Step 4: Simplify right side
    212,810.49x = 34,454,763,960.66
  5. Step 5: Solve for x
    x = 34,454,763,960.66/212,810.49
  6. Step 6: Final answer
    x = 161,903.50

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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.