Home / 221,044.60-331,566.90-190,977.40

Finding the Fourth Proportional to 221,044.60, 331,566.90 and 190,977.40

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Solution

The fourth proportional to 221,044.60, 331,566.90 and 190,977.40 is: 286,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,044.60 : 331,566.90 = 190,977.40 : x
  2. Step 2: Convert to fraction form
    221,044.60/331,566.90 = 190,977.40/x
  3. Step 3: Cross multiply
    221,044.60x = 331,566.90 × 190,977.40
  4. Step 4: Simplify right side
    221,044.60x = 63,321,784,488.06
  5. Step 5: Solve for x
    x = 63,321,784,488.06/221,044.60
  6. Step 6: Final answer
    x = 286,466.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.