Home / 135,600.60-187,116.23-75,166.10

Finding the Fourth Proportional to 135,600.60, 187,116.23 and 75,166.10

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Solution

The fourth proportional to 135,600.60, 187,116.23 and 75,166.10 is: 103,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,600.60 : 187,116.23 = 75,166.10 : x
  2. Step 2: Convert to fraction form
    135,600.60/187,116.23 = 75,166.10/x
  3. Step 3: Cross multiply
    135,600.60x = 187,116.23 × 75,166.10
  4. Step 4: Simplify right side
    135,600.60x = 14,064,795,944.39
  5. Step 5: Solve for x
    x = 14,064,795,944.39/135,600.60
  6. Step 6: Final answer
    x = 103,722.23

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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.