Home / 103,682.20-155,231.70-93,184.60

Finding the Fourth Proportional to 103,682.20, 155,231.70 and 93,184.60

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Solution

The fourth proportional to 103,682.20, 155,231.70 and 93,184.60 is: 139,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,682.20 : 155,231.70 = 93,184.60 : x
  2. Step 2: Convert to fraction form
    103,682.20/155,231.70 = 93,184.60/x
  3. Step 3: Cross multiply
    103,682.20x = 155,231.70 × 93,184.60
  4. Step 4: Simplify right side
    103,682.20x = 14,465,203,871.82
  5. Step 5: Solve for x
    x = 14,465,203,871.82/103,682.20
  6. Step 6: Final answer
    x = 139,514.82

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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.