Home / 293,074.85-439,515.88-103,500.83

Finding the Fourth Proportional to 293,074.85, 439,515.88 and 103,500.83

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Solution

The fourth proportional to 293,074.85, 439,515.88 and 103,500.83 is: 155,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,074.85 : 439,515.88 = 103,500.83 : x
  2. Step 2: Convert to fraction form
    293,074.85/439,515.88 = 103,500.83/x
  3. Step 3: Cross multiply
    293,074.85x = 439,515.88 × 103,500.83
  4. Step 4: Simplify right side
    293,074.85x = 45,490,258,378.18
  5. Step 5: Solve for x
    x = 45,490,258,378.18/293,074.85
  6. Step 6: Final answer
    x = 155,217.20

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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.