Home / 293,043.40-439,613.70-115,556.20

Finding the Fourth Proportional to 293,043.40, 439,613.70 and 115,556.20

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Solution

The fourth proportional to 293,043.40, 439,613.70 and 115,556.20 is: 173,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,043.40 : 439,613.70 = 115,556.20 : x
  2. Step 2: Convert to fraction form
    293,043.40/439,613.70 = 115,556.20/x
  3. Step 3: Cross multiply
    293,043.40x = 439,613.70 × 115,556.20
  4. Step 4: Simplify right side
    293,043.40x = 50,800,088,639.94
  5. Step 5: Solve for x
    x = 50,800,088,639.94/293,043.40
  6. Step 6: Final answer
    x = 173,353.46

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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.