Home / 152,072.40-228,157.20-52,296.60

Finding the Fourth Proportional to 152,072.40, 228,157.20 and 52,296.60

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Solution

The fourth proportional to 152,072.40, 228,157.20 and 52,296.60 is: 78,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,072.40 : 228,157.20 = 52,296.60 : x
  2. Step 2: Convert to fraction form
    152,072.40/228,157.20 = 52,296.60/x
  3. Step 3: Cross multiply
    152,072.40x = 228,157.20 × 52,296.60
  4. Step 4: Simplify right side
    152,072.40x = 11,931,845,825.52
  5. Step 5: Solve for x
    x = 11,931,845,825.52/152,072.40
  6. Step 6: Final answer
    x = 78,461.61

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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.