Home / 212,810.45-293,680.39-117,320.57

Finding the Fourth Proportional to 212,810.45, 293,680.39 and 117,320.57

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Solution

The fourth proportional to 212,810.45, 293,680.39 and 117,320.57 is: 161,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810.45 : 293,680.39 = 117,320.57 : x
  2. Step 2: Convert to fraction form
    212,810.45/293,680.39 = 117,320.57/x
  3. Step 3: Cross multiply
    212,810.45x = 293,680.39 × 117,320.57
  4. Step 4: Simplify right side
    212,810.45x = 34,454,749,284.22
  5. Step 5: Solve for x
    x = 34,454,749,284.22/212,810.45
  6. Step 6: Final answer
    x = 161,903.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.