Home / 156,769.72-216,272.82-93,070.60

Finding the Fourth Proportional to 156,769.72, 216,272.82 and 93,070.60

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Solution

The fourth proportional to 156,769.72, 216,272.82 and 93,070.60 is: 128,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.72 : 216,272.82 = 93,070.60 : x
  2. Step 2: Convert to fraction form
    156,769.72/216,272.82 = 93,070.60/x
  3. Step 3: Cross multiply
    156,769.72x = 216,272.82 × 93,070.60
  4. Step 4: Simplify right side
    156,769.72x = 20,128,641,121.09
  5. Step 5: Solve for x
    x = 20,128,641,121.09/156,769.72
  6. Step 6: Final answer
    x = 128,396.23

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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.