Home / 96,228.40-144,148.20-66,679.60

Finding the Fourth Proportional to 96,228.40, 144,148.20 and 66,679.60

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Solution

The fourth proportional to 96,228.40, 144,148.20 and 66,679.60 is: 99,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,228.40 : 144,148.20 = 66,679.60 : x
  2. Step 2: Convert to fraction form
    96,228.40/144,148.20 = 66,679.60/x
  3. Step 3: Cross multiply
    96,228.40x = 144,148.20 × 66,679.60
  4. Step 4: Simplify right side
    96,228.40x = 9,611,744,316.72
  5. Step 5: Solve for x
    x = 9,611,744,316.72/96,228.40
  6. Step 6: Final answer
    x = 99,884.69

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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.