Home / 95,741.20-143,611.80-89,836.30

Finding the Fourth Proportional to 95,741.20, 143,611.80 and 89,836.30

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Solution

The fourth proportional to 95,741.20, 143,611.80 and 89,836.30 is: 134,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,741.20 : 143,611.80 = 89,836.30 : x
  2. Step 2: Convert to fraction form
    95,741.20/143,611.80 = 89,836.30/x
  3. Step 3: Cross multiply
    95,741.20x = 143,611.80 × 89,836.30
  4. Step 4: Simplify right side
    95,741.20x = 12,901,552,748.34
  5. Step 5: Solve for x
    x = 12,901,552,748.34/95,741.20
  6. Step 6: Final answer
    x = 134,754.45

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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.