Home / 156,919.38-216,532.56-93,244.88

Finding the Fourth Proportional to 156,919.38, 216,532.56 and 93,244.88

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Solution

The fourth proportional to 156,919.38, 216,532.56 and 93,244.88 is: 128,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.38 : 216,532.56 = 93,244.88 : x
  2. Step 2: Convert to fraction form
    156,919.38/216,532.56 = 93,244.88/x
  3. Step 3: Cross multiply
    156,919.38x = 216,532.56 × 93,244.88
  4. Step 4: Simplify right side
    156,919.38x = 20,190,552,573.29
  5. Step 5: Solve for x
    x = 20,190,552,573.29/156,919.38
  6. Step 6: Final answer
    x = 128,668.32

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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.