Home / 110,539.41-152,550.62-83,635.21

Finding the Fourth Proportional to 110,539.41, 152,550.62 and 83,635.21

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Solution

The fourth proportional to 110,539.41, 152,550.62 and 83,635.21 is: 115,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,539.41 : 152,550.62 = 83,635.21 : x
  2. Step 2: Convert to fraction form
    110,539.41/152,550.62 = 83,635.21/x
  3. Step 3: Cross multiply
    110,539.41x = 152,550.62 × 83,635.21
  4. Step 4: Simplify right side
    110,539.41x = 12,758,601,958.40
  5. Step 5: Solve for x
    x = 12,758,601,958.40/110,539.41
  6. Step 6: Final answer
    x = 115,421.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.