Home / 231,111.60-346,667.40-112,858.80

Finding the Fourth Proportional to 231,111.60, 346,667.40 and 112,858.80

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Solution

The fourth proportional to 231,111.60, 346,667.40 and 112,858.80 is: 169,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,111.60 : 346,667.40 = 112,858.80 : x
  2. Step 2: Convert to fraction form
    231,111.60/346,667.40 = 112,858.80/x
  3. Step 3: Cross multiply
    231,111.60x = 346,667.40 × 112,858.80
  4. Step 4: Simplify right side
    231,111.60x = 39,124,466,763.12
  5. Step 5: Solve for x
    x = 39,124,466,763.12/231,111.60
  6. Step 6: Final answer
    x = 169,288.20

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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.