Home / 212,942.64-293,862.24-117,451.92

Finding the Fourth Proportional to 212,942.64, 293,862.24 and 117,451.92

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Solution

The fourth proportional to 212,942.64, 293,862.24 and 117,451.92 is: 162,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,942.64 : 293,862.24 = 117,451.92 : x
  2. Step 2: Convert to fraction form
    212,942.64/293,862.24 = 117,451.92/x
  3. Step 3: Cross multiply
    212,942.64x = 293,862.24 × 117,451.92
  4. Step 4: Simplify right side
    212,942.64x = 34,514,684,303.50
  5. Step 5: Solve for x
    x = 34,514,684,303.50/212,942.64
  6. Step 6: Final answer
    x = 162,084.42

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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.