Home / 156,938.26-216,558.61-93,263.80

Finding the Fourth Proportional to 156,938.26, 216,558.61 and 93,263.80

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Solution

The fourth proportional to 156,938.26, 216,558.61 and 93,263.80 is: 128,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.26 : 216,558.61 = 93,263.80 : x
  2. Step 2: Convert to fraction form
    156,938.26/216,558.61 = 93,263.80/x
  3. Step 3: Cross multiply
    156,938.26x = 216,558.61 × 93,263.80
  4. Step 4: Simplify right side
    156,938.26x = 20,197,078,891.32
  5. Step 5: Solve for x
    x = 20,197,078,891.32/156,938.26
  6. Step 6: Final answer
    x = 128,694.42

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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.