Home / 156,891.16-216,481.62-93,244.60

Finding the Fourth Proportional to 156,891.16, 216,481.62 and 93,244.60

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Solution

The fourth proportional to 156,891.16, 216,481.62 and 93,244.60 is: 128,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,891.16 : 216,481.62 = 93,244.60 : x
  2. Step 2: Convert to fraction form
    156,891.16/216,481.62 = 93,244.60/x
  3. Step 3: Cross multiply
    156,891.16x = 216,481.62 × 93,244.60
  4. Step 4: Simplify right side
    156,891.16x = 20,185,742,064.25
  5. Step 5: Solve for x
    x = 20,185,742,064.25/156,891.16
  6. Step 6: Final answer
    x = 128,660.80

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1.5x scale

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.