Home / 231,097.60-346,646.40-193,772.80

Finding the Fourth Proportional to 231,097.60, 346,646.40 and 193,772.80

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Solution

The fourth proportional to 231,097.60, 346,646.40 and 193,772.80 is: 290,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,097.60 : 346,646.40 = 193,772.80 : x
  2. Step 2: Convert to fraction form
    231,097.60/346,646.40 = 193,772.80/x
  3. Step 3: Cross multiply
    231,097.60x = 346,646.40 × 193,772.80
  4. Step 4: Simplify right side
    231,097.60x = 67,170,643,537.92
  5. Step 5: Solve for x
    x = 67,170,643,537.92/231,097.60
  6. Step 6: Final answer
    x = 290,659.20

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1.5x scale

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.