Home / 149,817.60-224,611.20-84,153.60

Finding the Fourth Proportional to 149,817.60, 224,611.20 and 84,153.60

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Solution

The fourth proportional to 149,817.60, 224,611.20 and 84,153.60 is: 126,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,817.60 : 224,611.20 = 84,153.60 : x
  2. Step 2: Convert to fraction form
    149,817.60/224,611.20 = 84,153.60/x
  3. Step 3: Cross multiply
    149,817.60x = 224,611.20 × 84,153.60
  4. Step 4: Simplify right side
    149,817.60x = 18,901,841,080.32
  5. Step 5: Solve for x
    x = 18,901,841,080.32/149,817.60
  6. Step 6: Final answer
    x = 126,165.69

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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.