Home / 293,031.10-439,503.45-82,690.30

Finding the Fourth Proportional to 293,031.10, 439,503.45 and 82,690.30

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Solution

The fourth proportional to 293,031.10, 439,503.45 and 82,690.30 is: 124,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,031.10 : 439,503.45 = 82,690.30 : x
  2. Step 2: Convert to fraction form
    293,031.10/439,503.45 = 82,690.30/x
  3. Step 3: Cross multiply
    293,031.10x = 439,503.45 × 82,690.30
  4. Step 4: Simplify right side
    293,031.10x = 36,342,672,131.54
  5. Step 5: Solve for x
    x = 36,342,672,131.54/293,031.10
  6. Step 6: Final answer
    x = 124,023.26

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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.