Home / 231,035.60-346,553.40-131,502.80

Finding the Fourth Proportional to 231,035.60, 346,553.40 and 131,502.80

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Solution

The fourth proportional to 231,035.60, 346,553.40 and 131,502.80 is: 197,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,035.60 : 346,553.40 = 131,502.80 : x
  2. Step 2: Convert to fraction form
    231,035.60/346,553.40 = 131,502.80/x
  3. Step 3: Cross multiply
    231,035.60x = 346,553.40 × 131,502.80
  4. Step 4: Simplify right side
    231,035.60x = 45,572,742,449.52
  5. Step 5: Solve for x
    x = 45,572,742,449.52/231,035.60
  6. Step 6: Final answer
    x = 197,254.20

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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.