Home / 103,651.22-155,227.70-59,143.05

Finding the Fourth Proportional to 103,651.22, 155,227.70 and 59,143.05

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Solution

The fourth proportional to 103,651.22, 155,227.70 and 59,143.05 is: 88,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.22 : 155,227.70 = 59,143.05 : x
  2. Step 2: Convert to fraction form
    103,651.22/155,227.70 = 59,143.05/x
  3. Step 3: Cross multiply
    103,651.22x = 155,227.70 × 59,143.05
  4. Step 4: Simplify right side
    103,651.22x = 9,180,639,770.34
  5. Step 5: Solve for x
    x = 9,180,639,770.34/103,651.22
  6. Step 6: Final answer
    x = 88,572.42

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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.