Home / 156,928.26-216,544.81-93,253.80

Finding the Fourth Proportional to 156,928.26, 216,544.81 and 93,253.80

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Solution

The fourth proportional to 156,928.26, 216,544.81 and 93,253.80 is: 128,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,928.26 : 216,544.81 = 93,253.80 : x
  2. Step 2: Convert to fraction form
    156,928.26/216,544.81 = 93,253.80/x
  3. Step 3: Cross multiply
    156,928.26x = 216,544.81 × 93,253.80
  4. Step 4: Simplify right side
    156,928.26x = 20,193,626,402.78
  5. Step 5: Solve for x
    x = 20,193,626,402.78/156,928.26
  6. Step 6: Final answer
    x = 128,680.62

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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.